Butternut Squash and Spinach Lasagna recipe

Sophia

Founder of Vintage cooks

Recommended Kitchen Pick

CAROTE Complete 21-Piece Nonstick Cookware Set

A stylish all-in-one cookware set for everyday cooking, easy cleanup, and induction-ready performance.

CAROTE 21-piece nonstick cookware set on Amazon
★★★★★ 4.4/5 based on 33,000+ reviews

What’s Included

  • 1 Egg Pan
  • 9.5" Frying Pan
  • 11" Frying Pan
  • 1.7 Qt Saucepan with Lid & Steamer
  • 2.4 Qt Saucepan with Lid

 

  • 4.3 Qt Casserole Pot with Lid
  • 6.5 Qt Casserole Pot with Lid
  • 4.5 Qt Sauté Pan with Lid
  • 3 Cooking Utensils
  • 4 Pan Protectors
Nonstick for easier cooking and cleanup
Works on all cooktops, including induction
Good all-in-one starter or kitchen upgrade set

This is one of our favorite cookware picks for home cooks who want a complete set without overcomplicating the kitchen.

This post may contain affiliate links learn more.

Butternut Squash and Spinach Lasagna has become a fall and winter staple in our home, offering a comforting and flavorful twist on the classic Italian dish. The first time I made it, I was looking for a vegetarian option that was both hearty and packed with seasonal flavors. Honestly, I wasn’t sure how my family, who are big meat-lovers, would react. But from the moment it came out of the oven, bubbling and golden brown, the aroma alone was enough to draw everyone to the kitchen. The combination of sweet butternut squash, earthy spinach, and creamy ricotta was simply divine. Each layer melted together beautifully, creating a symphony of textures and tastes. My initial skepticism vanished with the first bite, replaced by pure culinary satisfaction. It was a resounding success! Even my toughest critics, my kids, asked for seconds and declared it their new favorite lasagna. Since then, Butternut Squash and Spinach Lasagna has become a regular feature on our dinner table, perfect for cozy weeknights, holiday gatherings, or any occasion that calls for a dish that’s both comforting and impressive. If you’re looking for a vegetarian lasagna that’s bursting with flavor and perfect for the colder months, look no further – this recipe is a guaranteed winner.

Ingredients: Building Blocks for a Delicious Butternut Squash and Spinach Lasagna

The magic of Butternut Squash and Spinach Lasagna lies in the harmonious blend of its carefully chosen ingredients. Each component contributes to the overall flavor, texture, and nutritional value of this comforting dish. Let’s delve into each ingredient to understand its role and how to select the best quality for your lasagna:

  • 1 Medium Butternut Squash (about 2-3 pounds): Butternut squash is the star of this vegetarian lasagna, providing a sweet, nutty, and slightly earthy flavor that is quintessential for fall and winter cuisine. When selecting a butternut squash, look for one that feels heavy for its size, has a hard rind, and is free from bruises or soft spots. A good butternut squash will have a deep tan color and a long neck, indicating a higher proportion of flesh to seeds. For this recipe, you’ll need to peel, seed, and cube the butternut squash. Roasting it brings out its natural sweetness and creates a tender texture perfect for layering in the lasagna.
  • 1 tablespoon Olive Oil (plus more for drizzling): Olive oil is essential for roasting the butternut squash and sautéing the spinach and onions. It adds richness, flavor, and helps the vegetables cook evenly. Extra virgin olive oil is recommended for its superior flavor and health benefits. You’ll use olive oil to toss with the butternut squash before roasting, and again for sautéing the aromatic base of the lasagna filling.
  • Salt and Black Pepper (to taste): Salt and black pepper are fundamental seasonings that enhance the natural flavors of all the ingredients. Season generously at each stage – when roasting the squash, sautéing the vegetables, and in the ricotta mixture – to ensure a well-balanced and flavorful lasagna. Freshly ground black pepper is preferred for its more robust flavor.
  • 1 large Onion (chopped): Onion forms the aromatic base for the spinach filling, adding depth and savory notes. Yellow or white onions work well. Chopping the onion into small dice ensures it cooks evenly and blends seamlessly into the lasagna filling. Sautéing the onion until softened and translucent is crucial for developing its flavor.
  • 2 cloves Garlic (minced): Garlic is another essential aromatic ingredient, adding pungent and savory notes that complement the sweetness of the butternut squash and the earthiness of the spinach. Fresh garlic is highly recommended for the best flavor. Mince the garlic finely to release its flavors quickly during sautéing.
  • 10 ounces Fresh Spinach (or 5 ounces frozen, thawed and squeezed dry): Spinach adds a vibrant green color, a slightly earthy flavor, and valuable nutrients to the lasagna. Fresh spinach is preferred for its texture and flavor, but frozen spinach is a convenient alternative. If using frozen spinach, be sure to thaw it completely and squeeze out as much excess water as possible to prevent a watery lasagna.
  • 15 ounces Ricotta Cheese (whole milk or part-skim): Ricotta cheese is a key component of the lasagna filling, providing a creamy, rich, and slightly tangy layer. Whole milk ricotta will yield a richer and creamier texture, while part-skim ricotta is a slightly lighter option. Ensure you use fresh ricotta for the best flavor and texture.
  • 1/2 cup Grated Parmesan Cheese (plus more for topping): Parmesan cheese adds a salty, nutty, and umami-rich flavor that enhances the overall savory profile of the lasagna. Use freshly grated Parmesan for the best flavor and melting quality. You’ll incorporate Parmesan into the ricotta mixture and also use it to sprinkle on top of the lasagna for a golden, cheesy crust.
  • 1/4 cup Fresh Parsley (chopped): Fresh parsley adds a bright, herbaceous note and a touch of freshness to the ricotta filling. Italian flat-leaf parsley is recommended for its robust flavor. Chop the parsley finely and mix it into the ricotta mixture for a vibrant and aromatic layer.
  • 1 Egg (large): The egg acts as a binder in the ricotta mixture, helping to hold it together and prevent it from being too runny during baking. Use a large egg for the proper consistency.
  • 1 teaspoon Dried Nutmeg (or freshly grated): Nutmeg provides a warm, slightly sweet, and subtly spicy flavor that beautifully complements butternut squash and spinach. Freshly grated nutmeg is ideal for the most aromatic flavor, but ground nutmeg works well too. A little nutmeg goes a long way, adding a distinctive and comforting note.
  • 9-12 Lasagna Noodles (oven-ready or regular): Lasagna noodles form the structural layers of the lasagna, holding all the flavorful fillings together. Oven-ready lasagna noodles are a convenient option, requiring no pre-boiling. If using regular lasagna noodles, you’ll need to cook them according to package directions until al dente before assembling the lasagna. Choose high-quality lasagna noodles for the best texture and ability to hold up during baking.
  • 3 cups Marinara Sauce (good quality, store-bought or homemade): Marinara sauce provides the tomato-based sauce layer that is essential for lasagna. Use a good quality store-bought marinara sauce or, for an even more flavorful lasagna, make your own homemade marinara sauce. The acidity and sweetness of the marinara sauce balance the richness of the cheese and squash.

Ingredient Substitutions and Variations:

While this recipe is delicious as written, you can customize it to suit your preferences and dietary needs with these substitutions and variations:

  • Squash Variations:
    • Acorn Squash: Acorn squash can be substituted for butternut squash, offering a slightly sweeter and milder flavor.
    • Pumpkin: Canned pumpkin puree (not pumpkin pie filling) can be used for a different flavor profile and added creaminess to the squash layer. Roast cubed pumpkin similarly to butternut squash or use puree directly in a layer.
  • Cheese Variations:
    • Part-Skim Mozzarella Cheese (shredded): You can add a layer of shredded part-skim mozzarella cheese in addition to or instead of some of the Parmesan for a meltier, stretchier cheese element.
    • Fontina Cheese (shredded): Fontina cheese, shredded, offers a nutty and creamy flavor that complements butternut squash well.
    • Vegan Ricotta and Parmesan: For a vegan lasagna, use plant-based ricotta and Parmesan cheese alternatives. There are many good vegan ricotta options made from tofu, cashews, or almonds. Nutritional yeast can add a cheesy flavor as well.
  • Vegetable Additions:
    • Mushrooms (sliced): Sautéed sliced mushrooms can be added to the spinach filling for extra earthy flavor and texture.
    • Kale (chopped): Kale can be substituted for or added to the spinach. Sauté kale similarly to spinach until wilted.
    • Roasted Red Peppers (diced): Roasted red peppers add sweetness and a smoky flavor. Layer diced roasted red peppers in the lasagna.
    • Caramelized Onions: Use caramelized onions instead of regular sautéed onions for a richer, sweeter onion flavor.
  • Spice Variations:
    • Pinch of Red Pepper Flakes: Add a pinch of red pepper flakes to the spinach filling or marinara sauce for a touch of heat.
    • Sage (fresh or dried): Sage pairs beautifully with butternut squash. Add fresh sage leaves to the spinach mixture or use dried sage in the seasoning blend.
  • Noodle Variations:
    • Whole Wheat Lasagna Noodles: Use whole wheat lasagna noodles for increased fiber and a slightly nuttier flavor.
    • Gluten-Free Lasagna Noodles: Use gluten-free lasagna noodles made from rice, corn, or quinoa for a gluten-free option.

By understanding the core ingredients and exploring these variations, you can create a Butternut Squash and Spinach Lasagna that is perfectly tailored to your taste and dietary needs, while still retaining the comforting and flavorful essence of this delightful dish.

Instructions: Crafting Your Butternut Squash and Spinach Lasagna, Step by Step

Making Butternut Squash and Spinach Lasagna, while involving a few steps, is a rewarding culinary process that results in a deeply flavorful and satisfying dish. Here’s a detailed, step-by-step guide to help you create lasagna perfection:

Step 1: Roast the Butternut Squash

  1. Preheat Oven to 400°F (200°C): Preheat your oven to 400°F (200°C). This temperature is ideal for roasting the butternut squash until tender and slightly caramelized.
  2. Prepare Butternut Squash: Peel, seed, and cut the butternut squash into 1-inch cubes. Uniformly sized cubes will ensure even roasting.
  3. Toss with Olive Oil and Seasoning: In a large bowl, toss the cubed butternut squash with 1 tablespoon of olive oil, salt, and black pepper. Toss until the squash is evenly coated.
  4. Roast on Baking Sheet: Spread the seasoned butternut squash cubes in a single layer on a large baking sheet. Ensure they are not overcrowded to promote roasting rather than steaming. You may need two baking sheets.
  5. Roast Until Tender: Roast in the preheated oven for 20-25 minutes, or until the butternut squash is tender and easily pierced with a fork. The edges should be slightly caramelized.
  6. Set Aside to Cool: Once roasted, remove the butternut squash from the oven and set aside to cool slightly.

Step 2: Prepare the Spinach Filling

  1. Heat Olive Oil in Large Skillet: Heat a tablespoon of olive oil in a large skillet or pot over medium heat.
  2. Sauté Onion: Add the chopped onion to the skillet and sauté for 5-7 minutes, or until softened and translucent. Stir occasionally to prevent burning.
  3. Add Garlic and Sauté: Add the minced garlic to the skillet and sauté for another 1-2 minutes, until fragrant. Be careful not to burn the garlic.
  4. Add Spinach (Fresh or Thawed): Add the fresh spinach (or thawed and squeezed dry frozen spinach) to the skillet. If using fresh spinach, add it in batches as it wilts down.
  5. Cook Until Spinach is Wilted: Cook, stirring frequently, until the spinach is completely wilted and any excess moisture has evaporated. This should take about 3-5 minutes for fresh spinach and less for thawed frozen spinach.
  6. Season Spinach Mixture: Season the spinach mixture with salt and black pepper to taste. Adjust seasoning as needed.
  7. Set Aside: Remove the spinach mixture from the heat and set aside.

Step 3: Prepare the Ricotta Filling

  1. Combine Ricotta, Parmesan, Parsley, Egg, and Nutmeg: In a medium bowl, combine the ricotta cheese, grated Parmesan cheese, chopped fresh parsley, large egg, and dried nutmeg.
  2. Mix Well: Mix all ingredients together thoroughly until well combined and the mixture is smooth and creamy.
  3. Season Ricotta Mixture: Season the ricotta mixture with salt and black pepper to taste. Adjust seasoning as needed.

Step 4: Assemble the Lasagna

  1. Preheat Oven to 375°F (190°C): Reduce the oven temperature to 375°F (190°C) for baking the lasagna.
  2. Prepare Baking Dish: Lightly grease a 9×13 inch baking dish with olive oil or cooking spray.
  3. Layer Marinara Sauce (Bottom Layer): Spread a thin layer (about 1 cup) of marinara sauce evenly over the bottom of the prepared baking dish. This prevents the noodles from sticking and adds moisture to the bottom layer.
  4. Layer Lasagna Noodles: Arrange a layer of lasagna noodles over the marinara sauce, slightly overlapping if necessary to fit the dish. Use 3-4 noodles depending on the size and shape of your noodles and dish.
  5. Layer Ricotta Filling: Spread half of the ricotta cheese mixture evenly over the lasagna noodles.
  6. Layer Spinach Filling: Spread all of the spinach filling evenly over the ricotta layer.
  7. Layer Roasted Butternut Squash: Arrange half of the roasted butternut squash cubes evenly over the spinach layer.
  8. Layer Marinara Sauce (Second Sauce Layer): Spoon another cup of marinara sauce evenly over the butternut squash.
  9. Repeat Layers: Repeat layers: lasagna noodles, remaining ricotta mixture, remaining butternut squash, and finally top with the remaining marinara sauce (about 1 cup).
  10. Top with Parmesan Cheese: Sprinkle the remaining 1/2 cup of grated Parmesan cheese evenly over the top layer of marinara sauce.
  11. Cover with Foil: Cover the baking dish tightly with aluminum foil.

Step 5: Bake the Lasagna

  1. Bake Covered: Bake the lasagna in the preheated oven for 30 minutes, covered with foil. Baking covered helps to steam the lasagna and melt the cheese and fillings evenly.
  2. Remove Foil and Bake Uncovered: Remove the foil and continue to bake for another 20-25 minutes, or until the lasagna is bubbly around the edges, the cheese is melted and golden brown, and the noodles are tender when pierced with a fork.
  3. Rest Before Serving: Let the lasagna rest for 10-15 minutes before slicing and serving. This allows the lasagna to set, making it easier to slice and serve, and also allows the flavors to meld together.

Tips for Lasagna Success:

  • Don’t Overcook Noodles (If Using Regular Noodles): If using regular lasagna noodles, cook them just until al dente. They will continue to cook in the oven. Overcooked noodles can become mushy in the lasagna.
  • Don’t Overfill Layers: Avoid overfilling each layer with too much filling, which can make the lasagna bulky and difficult to cook through evenly. Thinner, even layers are best.
  • Ensure Enough Sauce: Use enough marinara sauce to keep the lasagna moist during baking. If you find the sauce is too thick, you can thin it slightly with a little water or vegetable broth.
  • Let it Rest: Resting the lasagna after baking is crucial for allowing it to set and slice cleanly. Don’t skip this step!
  • Customize Layers: Feel free to adjust the thickness and order of the layers to your preference. You can add more or less of each filling to customize the lasagna to your taste.

By following these detailed instructions and tips, you’ll be well on your way to creating a beautiful and delicious Butternut Squash and Spinach Lasagna that is sure to impress and satisfy!

Nutrition Facts: A Look at the Nutritional Profile per Serving

Butternut Squash and Spinach Lasagna, while a comforting and satisfying dish, also offers a good source of nutrients. Here’s a breakdown of the approximate nutrition facts per serving. Please note that these are estimates and can vary based on specific ingredient brands, portion sizes, and variations in preparation.

Serving Size: Approximately 1 slice of lasagna (recipe typically yields 9-12 servings, depending on slice size)

Calories per Serving (Estimated): 350-450 calories

Approximate Nutritional Breakdown (per serving):

  • Protein: 18-22 grams
    • Protein comes primarily from the ricotta cheese, Parmesan cheese, and egg.
  • Fat: 15-20 grams
    • Fat content is mainly from the ricotta cheese, Parmesan cheese, and olive oil.
    • Consider the type of fat: Ricotta and Parmesan contain saturated fat, while olive oil provides monounsaturated fats (considered heart-healthy).
  • Saturated Fat: 8-12 grams (Estimated, largely from ricotta and Parmesan)
    • Saturated fat content is moderate. Individuals monitoring saturated fat intake should be mindful of portion sizes.
  • Cholesterol: 80-100 mg (Estimated, from ricotta cheese and egg)
    • Cholesterol is present in ricotta cheese and egg.
  • Sodium: 500-700 mg (Estimated, from cheeses, marinara sauce, and added salt)
    • Sodium content is moderate. Individuals on low-sodium diets should be mindful of portion sizes and consider using lower-sodium marinara sauce and cheeses if possible.
  • Carbohydrates: 40-50 grams
    • Carbohydrates mainly come from the lasagna noodles and butternut squash.
  • Fiber: 5-7 grams
    • Fiber content is a good source, primarily from butternut squash, spinach, and whole wheat lasagna noodles (if used). Fiber is beneficial for digestion and satiety.
  • Sugar: 8-12 grams (Naturally occurring sugars from butternut squash and tomatoes in marinara sauce)
    • Sugar content is naturally occurring from vegetables.
  • Vitamins and Minerals:
    • Vitamin A: Butternut squash and spinach are excellent sources of Vitamin A, important for vision, immune function, and cell growth.
    • Vitamin C: Spinach and tomatoes in marinara sauce provide Vitamin C, an antioxidant that supports immune function.
    • Vitamin K: Spinach is an excellent source of Vitamin K, important for blood clotting and bone health.
    • Potassium: Butternut squash and spinach are good sources of potassium, an electrolyte important for heart health and blood pressure regulation.
    • Calcium: Ricotta and Parmesan cheese provide calcium, essential for bone health.
    • Iron: Spinach and whole wheat lasagna noodles (if used) contribute iron.

Important Nutritional Considerations:

  • Saturated Fat and Sodium: The moderate saturated fat and sodium content are the primary nutritional considerations. Enjoy this dish in moderation as part of a balanced diet.
  • Calorie Content: The calorie count per serving is moderate. Portion control is important, especially if you are watching your calorie intake.
  • Nutrient Density: This lasagna is nutrient-dense, providing good amounts of vitamins A, C, K, potassium, and fiber, primarily from the vegetables. It also offers a good source of protein.

Tips to Make it Healthier (Without Compromising Flavor):

  • Use Part-Skim Ricotta Cheese: Using part-skim ricotta cheese will reduce the fat and calorie content slightly while still providing good protein and creamy texture.
  • Increase Vegetables: Add more spinach or other vegetables like mushrooms or zucchini to increase nutrient density and fiber content.
  • Use Whole Wheat Lasagna Noodles: Swap white lasagna noodles for whole wheat lasagna noodles to boost fiber content and provide more complex carbohydrates.
  • Reduce Parmesan Cheese: Slightly reduce the amount of Parmesan cheese used in the ricotta mixture and topping to lower fat and sodium content.
  • Lean Protein Addition: If desired, add lean protein like ground turkey or chicken breast to the spinach filling to further increase protein content and create a meat-enhanced version while still incorporating vegetables.
  • Serve with a Large Salad: Pair the lasagna with a large side salad with a light vinaigrette to add more vegetables, fiber, and nutrients to your meal and create a more balanced plate.

In Conclusion:

Butternut Squash and Spinach Lasagna can be a part of a healthy eating plan when enjoyed in moderation and incorporated into a balanced diet. It provides a good source of protein, fiber, and essential vitamins and minerals, particularly from the vegetables. Be mindful of portion sizes and consider making some of the suggested healthier modifications to further enhance its nutritional profile.

Preparation Time: How Long Does it Take to Create This Lasagna?

While Butternut Squash and Spinach Lasagna is a labor of love, the preparation time is manageable, especially when broken down into stages. It’s perfect for a weekend cooking project or when you want to prepare a comforting meal for a special occasion. Here’s a breakdown of the estimated preparation time:

Total Preparation Time: Approximately 1 hour 45 minutes – 2 hours

Breakdown of Time:

  • Active Prep Time: 1 hour – 1 hour 15 minutes
    • Butternut Squash Prep & Roasting: 30-35 minutes (15 minutes active prep + 20-25 minutes roasting)
    • Spinach Filling Prep: 15-20 minutes (chopping, sautéing)
    • Ricotta Filling Prep: 10 minutes (mixing ingredients)
    • Lasagna Assembly: 15-20 minutes (layering ingredients)
  • Cook Time (Baking Time): 50-55 minutes
    • Covered Baking: 30 minutes
    • Uncovered Baking: 20-25 minutes
  • Rest Time: 10-15 minutes
    • Resting after baking is crucial for the lasagna to set.

Factors Affecting Preparation Time:

  • Butternut Squash Preparation: Peeling and cubing butternut squash can be the most time-consuming part. Pre-cut butternut squash (if available) can save time.
  • Vegetable Chopping: Chopping onions, garlic, and parsley adds to the prep time. Using a food processor for chopping (onion, parsley) can speed this up.
  • Noodle Type: Using oven-ready lasagna noodles saves the time of pre-boiling regular noodles.
  • Skill Level: With practice, you’ll become faster at each step, reducing the overall prep time.

Make-Ahead Tips to Save Time:

  • Roast Butternut Squash Ahead: Roast the butternut squash a day or two in advance and store it in an airtight container in the refrigerator.
  • Prepare Spinach Filling Ahead: Prepare the spinach filling a day or two in advance and store it in an airtight container in the refrigerator.
  • Prepare Ricotta Filling Ahead: Prepare the ricotta filling a day in advance and store it in an airtight container in the refrigerator.
  • Assemble Lasagna Ahead (Unbaked): You can assemble the entire lasagna (up to the point of baking) a day ahead of time. Cover it tightly with foil and store it in the refrigerator. Add about 15-20 minutes to the covered baking time if baking directly from the refrigerator.

Time-Saving Shortcuts:

  • Pre-cut Butternut Squash: Purchase pre-cut butternut squash cubes from the grocery store to save time on peeling and chopping.
  • Pre-minced Garlic: Use pre-minced garlic from a jar to save a few minutes on chopping garlic.
  • Good Quality Store-Bought Marinara Sauce: Using a high-quality store-bought marinara sauce eliminates the time needed to make homemade sauce.
  • Oven-Ready Lasagna Noodles: Using oven-ready lasagna noodles eliminates the need to pre-boil noodles.

Planning Your Cooking Schedule:

  • Weekend Cooking Project: Dedicate a weekend afternoon or evening to making this lasagna. It’s a rewarding cooking project that results in a delicious and satisfying meal.
  • Break it into Stages: If short on time on one day, break the preparation into stages over a couple of days (e.g., roast squash and make fillings one day, assemble and bake the next).
  • Weeknight Meal (with prep ahead): With some components prepped ahead (roasted squash, fillings), you can assemble and bake the lasagna on a weeknight for a special family dinner.

In summary, Butternut Squash and Spinach Lasagna requires a moderate preparation time, but the hands-on active time is manageable, especially with make-ahead tips and shortcuts. Planning your cooking schedule and utilizing time-saving techniques can make this delicious lasagna accessible even for busy cooks. The delicious result is well worth the effort!

How to Serve Butternut Squash and Spinach Lasagna: Presentation and Pairing Ideas

Butternut Squash and Spinach Lasagna is a versatile and comforting dish that can be served in various ways, making it suitable for both casual family meals and more formal gatherings. Presentation and thoughtful pairings can enhance the dining experience and complement the flavors of this vegetarian lasagna.

Serving Styles and Presentation:

  • Classic Slices: The most traditional way to serve lasagna is in neat, square or rectangular slices. After resting, carefully slice the lasagna into portions using a sharp knife or lasagna server.
  • Individual Portions: For a more elegant presentation, you can use a large cookie cutter or pastry ring to cut out individual round or shaped portions of lasagna.
  • From the Baking Dish: For casual family meals, you can simply bring the entire baking dish to the table and let everyone serve themselves directly from the dish. This is a warm and inviting serving style.
  • Garnishes: Enhance the presentation with simple garnishes:
    • Fresh Parsley Sprigs: Add a few fresh parsley sprigs to each slice or platter for a pop of green color and freshness.
    • Grated Parmesan Cheese: Offer extra grated Parmesan cheese at the table for guests to sprinkle on top of their servings.
    • Drizzle of Olive Oil: A light drizzle of extra virgin olive oil over the lasagna adds richness and sheen.
    • Freshly Ground Black Pepper: A sprinkle of freshly ground black pepper adds a touch of visual appeal and aromatic flavor.
    • Basil Leaves (chiffonade): Thinly sliced basil leaves (chiffonade) can be sprinkled over for a fresh, herbaceous garnish, especially if you enjoy basil with butternut squash and spinach.

Pairing Ideas for a Complete Meal:

  • Salad (Essential Pairing): A fresh, crisp salad is the perfect counterpoint to the richness of the lasagna.
    • Arugula Salad: A peppery arugula salad with a lemon vinaigrette complements the sweetness of the squash and richness of the cheese.
    • Mixed Green Salad: A simple mixed green salad with a balsamic vinaigrette is a classic and versatile choice.
    • Caesar Salad: A lightened-up Caesar salad can also pair well, providing a creamy and savory element that contrasts with the lasagna.
  • Bread (for Sopping up Sauce): Serve with crusty bread to soak up the delicious marinara sauce and creamy ricotta filling.
    • Garlic Bread: Garlic bread is a classic Italian accompaniment to lasagna.
    • Focaccia: Focaccia bread, especially rosemary or olive oil focaccia, is a flavorful and satisfying option.
    • Baguette Slices: Simple baguette slices, toasted or fresh, work well.
  • Roasted Vegetables (Side Dish): If you want to add more vegetables to the meal, roasted vegetables are a great choice.
    • Roasted Asparagus: Roasted asparagus provides a delicate and slightly bitter counterpoint.
    • Roasted Broccoli or Broccolini: Roasted broccoli or broccolini adds a hearty and slightly nutty flavor.
    • Roasted Brussels Sprouts: Roasted Brussels sprouts, especially with balsamic glaze, can be a delicious seasonal pairing.
    • Roasted Green Beans: Roasted green beans with lemon and garlic are a light and refreshing side.
  • Soup (Starter Course): For a more formal meal, you can serve a light soup as a starter before the lasagna.
    • Minestrone Soup: A light and vegetable-packed minestrone soup is a classic Italian starter.
    • Tomato Soup: A simple tomato soup, perhaps with basil, complements the marinara sauce in the lasagna.
    • Butternut Squash Soup (Smaller Portion): For a butternut squash theme, a small cup of creamy butternut squash soup (served in a smaller portion than usual) could be a starter, but be mindful of the richness and ensure it’s not too heavy before the lasagna.
  • Wine Pairing Suggestions (If Serving with Wine):
    • Medium-bodied Red Wines: Chianti, Merlot, or Sangiovese are classic Italian red wine pairings for lasagna. Their acidity and fruitiness complement the tomato sauce and richness of the dish.
    • Rosé Wine: A dry rosé wine, especially one with some body and fruitiness, can also pair well with vegetarian lasagna.
    • Light-bodied Red Wine: A lighter-bodied red like Pinot Noir could also be considered, especially if you prefer lighter reds.

Serving Occasions:

  • Weeknight Family Dinners: Butternut Squash and Spinach Lasagna is comforting and satisfying for family dinners.
  • Holiday Gatherings: It’s a wonderful vegetarian option for Thanksgiving, Christmas, or other holiday meals.
  • Potlucks and Parties: Lasagna is always a crowd-pleaser at potlucks and parties. It travels well and can be made ahead.
  • Special Occasions: For vegetarian guests or for a meatless main course option at dinner parties.

By considering these serving suggestions and pairing ideas, you can create a delightful and well-rounded meal centered around your delicious Butternut Squash and Spinach Lasagna, making it a memorable culinary experience for any occasion.

Additional Tips for a Truly Exceptional Butternut Squash and Spinach Lasagna

While the core recipe for Butternut Squash and Spinach Lasagna is fantastic, a few extra tips and techniques can elevate your lasagna from good to truly exceptional. These tips focus on enhancing flavor, texture, and overall enjoyment:

1. Maximize Butternut Squash Flavor:

  • Roast for Caramelization: Ensure the butternut squash roasts long enough to develop some caramelization. This intensifies its sweetness and nutty flavor. Don’t be afraid to let the edges get slightly browned.
  • Season Squash Generously: Season the butternut squash generously with salt and pepper before roasting. Proper seasoning at this stage is crucial for flavor development throughout the lasagna.
  • Add Aromatics to Roasting (Optional): You can roast the butternut squash with a few sprigs of fresh thyme or rosemary, or a couple of cloves of garlic (halved) for infused flavor. Remove aromatics before layering.

2. Enhance Spinach Filling Depth:

  • Sauté Onions and Garlic Properly: Sauté the onions until they are truly softened and translucent, and the garlic until fragrant but not browned. This builds a flavorful aromatic base for the spinach filling.
  • Deglaze Skillet (Optional): After sautéing onions and garlic, you can deglaze the skillet with a splash of dry white wine or vegetable broth before adding the spinach. This adds another layer of flavor.
  • Use Fresh Nutmeg (If Possible): Freshly grated nutmeg has a more vibrant and aromatic flavor than pre-ground nutmeg. If possible, use freshly grated nutmeg in the ricotta filling for a noticeable flavor boost.

3. Optimize Ricotta Filling Texture and Flavor:

  • Drain Excess Moisture from Ricotta (If Needed): If your ricotta cheese seems very watery, drain it in a cheesecloth-lined sieve for about 30 minutes to remove excess moisture. This will prevent a runny lasagna.
  • Use Whole Milk Ricotta for Richness: Whole milk ricotta will result in a richer, creamier, and more flavorful ricotta filling compared to part-skim.
  • Don’t Overmix Ricotta Filling: Mix the ricotta filling ingredients just until combined. Overmixing can make the ricotta tough.

4. Layering Techniques for Perfect Structure:

  • Thin, Even Layers: Aim for thinner, even layers of each filling in the lasagna. This promotes even cooking and prevents a bulky, uneven lasagna.
  • Sufficient Sauce on Bottom and Top: Ensure there is a layer of marinara sauce on the bottom of the baking dish to prevent noodles from sticking, and a generous layer on top to keep the top noodles moist during baking.
  • Overlap Noodles Slightly: When layering lasagna noodles, overlap them slightly to prevent gaps and create a solid base for the fillings.

5. Baking for Optimal Texture and Doneness:

  • Bake Covered Initially: Baking the lasagna covered with foil for the first part of the baking time steams the lasagna, helps the noodles cook through, and melts the cheese and fillings evenly.
  • Uncover for Browning and Crispness: Removing the foil for the last part of baking allows the cheese to melt, brown, and become slightly crispy on top, adding textural contrast.
  • Don’t Overbake: Avoid overbaking the lasagna, which can dry it out. Bake until it’s bubbly, golden brown, and the noodles are tender when pierced with a fork.
  • Rest Time is Crucial: Let the lasagna rest for the recommended 10-15 minutes after baking. This allows it to set, slice cleanly, and for the flavors to meld together.

6. Consider a Bechamel Sauce Layer (Optional, for Extra Richness):

  • For Extra Indulgence: For an even richer and more decadent lasagna, consider adding a layer of Bechamel sauce (white sauce) in addition to the marinara and ricotta layers. Layer Bechamel sauce between the ricotta and spinach layers for added creaminess.

By incorporating these additional tips, you can refine your technique and create a Butternut Squash and Spinach Lasagna that is not only delicious and comforting but also showcases layers of flavor, perfect texture, and a truly exceptional culinary experience.

FAQ: Answering Your Burning Questions About Butternut Squash and Spinach Lasagna

Even with a detailed recipe, you might have some lingering questions about making Butternut Squash and Spinach Lasagna. Here are answers to some frequently asked questions to ensure your lasagna-making journey is smooth and successful:

Q1: Can I make Butternut Squash and Spinach Lasagna ahead of time?

A: Yes, absolutely! Lasagna is a great make-ahead dish. You have several options:

  • Assemble Ahead and Bake Later: Assemble the entire unbaked lasagna, cover it tightly with foil, and refrigerate for up to 24 hours. Bake as directed, adding about 15-20 minutes to the covered baking time if baking directly from the refrigerator.
  • Bake Completely and Reheat: Bake the lasagna completely, let it cool slightly, cover it tightly with foil, and refrigerate for up to 3 days. Reheat covered in a 350°F (175°C) oven until heated through, about 30-40 minutes.
  • Freeze Baked Lasagna (for longer storage): Baked lasagna can be frozen for up to 2-3 months. Let it cool completely, cut into portions (optional), wrap tightly in plastic wrap and then foil, and freeze. Thaw overnight in the refrigerator before reheating as above, or reheat from frozen, adding significant time to the reheating process.

Q2: Can I use no-boil lasagna noodles for this recipe?

A: Yes, oven-ready or no-boil lasagna noodles work perfectly and are a convenient option.

  • Follow Recipe Instructions: Use oven-ready noodles as instructed in the recipe, layering them directly without pre-boiling.
  • Ensure Enough Sauce: Make sure there is enough marinara sauce in each layer to properly hydrate the no-boil noodles during baking. If the sauce seems thick, you can thin it slightly with a little water or vegetable broth.

Q3: I don’t have fresh spinach. Can I use frozen spinach?

A: Yes, frozen spinach is a perfectly acceptable substitute for fresh spinach in lasagna.

  • Thaw and Squeeze Dry: Be sure to thaw frozen spinach completely and squeeze out as much excess water as possible before sautéing it. Excess water can make the lasagna watery.
  • Use Less Frozen Spinach: Typically, 5 ounces of frozen spinach (thawed and squeezed) is equivalent to about 10 ounces of fresh spinach (wilted).

Q4: Can I make this lasagna vegan or dairy-free?

A: Yes, with some substitutions, you can make a delicious vegan or dairy-free Butternut Squash and Spinach Lasagna.

  • Vegan Ricotta and Parmesan: Use plant-based ricotta cheese and Parmesan cheese alternatives. There are good vegan ricotta options made from tofu, cashews, or almonds. Nutritional yeast can add a cheesy flavor as well.
  • Vegan Lasagna Noodles: Most lasagna noodles are vegan, but always check the ingredient list to ensure they don’t contain eggs.
  • Olive Oil Instead of Butter (Already in Recipe): This recipe already uses olive oil, which is plant-based.
  • Check Marinara Sauce: Ensure your marinara sauce is vegan-friendly and doesn’t contain any dairy or meat-based ingredients.

Q5: My lasagna is watery. What did I do wrong?

A: A watery lasagna can be caused by a few factors. Here are common reasons and how to prevent them:

  • Excess Moisture in Spinach: Ensure you squeeze out as much excess water as possible from thawed frozen spinach or cook fresh spinach until all moisture has evaporated.
  • Watery Ricotta: If your ricotta cheese is very watery, drain it in a cheesecloth-lined sieve before using.
  • Overly Wet Vegetables: If you add other vegetables that release a lot of moisture (like zucchini or mushrooms), sauté them thoroughly to remove excess water before layering.
  • Too Much Marinara Sauce: While you need enough sauce, using an excessive amount can also make the lasagna watery. Use the recommended amount of marinara sauce in the recipe.
  • Not Enough Baking Time: Ensure the lasagna bakes for the full recommended time to allow excess moisture to evaporate.
  • Resting Time (Important): Resting the lasagna after baking is crucial. It allows the lasagna to set and absorb some of the moisture, making it less watery.

By considering these FAQs, you’ll be well-prepared to tackle any challenges and create a perfect Butternut Squash and Spinach Lasagna that you and your loved ones will enjoy again and again!

Print
clock clock iconcutlery cutlery iconflag flag iconfolder folder iconinstagram instagram iconpinterest pinterest iconfacebook facebook iconprint print iconsquares squares iconheart heart iconheart solid heart solid icon

Butternut Squash and Spinach Lasagna recipe


  • Author: Sophia

Ingredients

Scale

  • 1 Medium Butternut Squash (about 23 pounds): Butternut squash is the star of this vegetarian lasagna, providing a sweet, nutty, and slightly earthy flavor that is quintessential for fall and winter cuisine. When selecting a butternut squash, look for one that feels heavy for its size, has a hard rind, and is free from bruises or soft spots. A good butternut squash will have a deep tan color and a long neck, indicating a higher proportion of flesh to seeds. For this recipe, you’ll need to peel, seed, and cube the butternut squash. Roasting it brings out its natural sweetness and creates a tender texture perfect for layering in the lasagna.
  • 1 tablespoon Olive Oil (plus more for drizzling): Olive oil is essential for roasting the butternut squash and sautéing the spinach and onions. It adds richness, flavor, and helps the vegetables cook evenly. Extra virgin olive oil is recommended for its superior flavor and health benefits. You’ll use olive oil to toss with the butternut squash before roasting, and again for sautéing the aromatic base of the lasagna filling.
  • Salt and Black Pepper (to taste): Salt and black pepper are fundamental seasonings that enhance the natural flavors of all the ingredients. Season generously at each stage – when roasting the squash, sautéing the vegetables, and in the ricotta mixture – to ensure a well-balanced and flavorful lasagna. Freshly ground black pepper is preferred for its more robust flavor.
  • 1 large Onion (chopped): Onion forms the aromatic base for the spinach filling, adding depth and savory notes. Yellow or white onions work well. Chopping the onion into small dice ensures it cooks evenly and blends seamlessly into the lasagna filling. Sautéing the onion until softened and translucent is crucial for developing its flavor.
  • 2 cloves Garlic (minced): Garlic is another essential aromatic ingredient, adding pungent and savory notes that complement the sweetness of the butternut squash and the earthiness of the spinach. Fresh garlic is highly recommended for the best flavor. Mince the garlic finely to release its flavors quickly during sautéing.
  • 10 ounces Fresh Spinach (or 5 ounces frozen, thawed and squeezed dry): Spinach adds a vibrant green color, a slightly earthy flavor, and valuable nutrients to the lasagna. Fresh spinach is preferred for its texture and flavor, but frozen spinach is a convenient alternative. If using frozen spinach, be sure to thaw it completely and squeeze out as much excess water as possible to prevent a watery lasagna.
  • 15 ounces Ricotta Cheese (whole milk or part-skim): Ricotta cheese is a key component of the lasagna filling, providing a creamy, rich, and slightly tangy layer. Whole milk ricotta will yield a richer and creamier texture, while part-skim ricotta is a slightly lighter option. Ensure you use fresh ricotta for the best flavor and texture.
  • 1/2 cup Grated Parmesan Cheese (plus more for topping): Parmesan cheese adds a salty, nutty, and umami-rich flavor that enhances the overall savory profile of the lasagna. Use freshly grated Parmesan for the best flavor and melting quality. You’ll incorporate Parmesan into the ricotta mixture and also use it to sprinkle on top of the lasagna for a golden, cheesy crust.
  • 1/4 cup Fresh Parsley (chopped): Fresh parsley adds a bright, herbaceous note and a touch of freshness to the ricotta filling. Italian flat-leaf parsley is recommended for its robust flavor. Chop the parsley finely and mix it into the ricotta mixture for a vibrant and aromatic layer.
  • 1 Egg (large): The egg acts as a binder in the ricotta mixture, helping to hold it together and prevent it from being too runny during baking. Use a large egg for the proper consistency.
  • 1 teaspoon Dried Nutmeg (or freshly grated): Nutmeg provides a warm, slightly sweet, and subtly spicy flavor that beautifully complements butternut squash and spinach. Freshly grated nutmeg is ideal for the most aromatic flavor, but ground nutmeg works well too. A little nutmeg goes a long way, adding a distinctive and comforting note.
  • 912 Lasagna Noodles (oven-ready or regular): Lasagna noodles form the structural layers of the lasagna, holding all the flavorful fillings together. Oven-ready lasagna noodles are a convenient option, requiring no pre-boiling. If using regular lasagna noodles, you’ll need to cook them according to package directions until al dente before assembling the lasagna. Choose high-quality lasagna noodles for the best texture and ability to hold up during baking.
  • 3 cups Marinara Sauce (good quality, store-bought or homemade): Marinara sauce provides the tomato-based sauce layer that is essential for lasagna. Use a good quality store-bought marinara sauce or, for an even more flavorful lasagna, make your own homemade marinara sauce. The acidity and sweetness of the marinara sauce balance the richness of the cheese and squash.

Instructions

Step 1: Roast the Butternut Squash

  1. Preheat Oven to 400°F (200°C): Preheat your oven to 400°F (200°C). This temperature is ideal for roasting the butternut squash until tender and slightly caramelized.
  2. Prepare Butternut Squash: Peel, seed, and cut the butternut squash into 1-inch cubes. Uniformly sized cubes will ensure even roasting.
  3. Toss with Olive Oil and Seasoning: In a large bowl, toss the cubed butternut squash with 1 tablespoon of olive oil, salt, and black pepper. Toss until the squash is evenly coated.
  4. Roast on Baking Sheet: Spread the seasoned butternut squash cubes in a single layer on a large baking sheet. Ensure they are not overcrowded to promote roasting rather than steaming. You may need two baking sheets.
  5. Roast Until Tender: Roast in the preheated oven for 20-25 minutes, or until the butternut squash is tender and easily pierced with a fork. The edges should be slightly caramelized.
  6. Set Aside to Cool: Once roasted, remove the butternut squash from the oven and set aside to cool slightly.

Step 2: Prepare the Spinach Filling

  1. Heat Olive Oil in Large Skillet: Heat a tablespoon of olive oil in a large skillet or pot over medium heat.
  2. Sauté Onion: Add the chopped onion to the skillet and sauté for 5-7 minutes, or until softened and translucent. Stir occasionally to prevent burning.
  3. Add Garlic and Sauté: Add the minced garlic to the skillet and sauté for another 1-2 minutes, until fragrant. Be careful not to burn the garlic.
  4. Add Spinach (Fresh or Thawed): Add the fresh spinach (or thawed and squeezed dry frozen spinach) to the skillet. If using fresh spinach, add it in batches as it wilts down.
  5. Cook Until Spinach is Wilted: Cook, stirring frequently, until the spinach is completely wilted and any excess moisture has evaporated. This should take about 3-5 minutes for fresh spinach and less for thawed frozen spinach.
  6. Season Spinach Mixture: Season the spinach mixture with salt and black pepper to taste. Adjust seasoning as needed.
  7. Set Aside: Remove the spinach mixture from the heat and set aside.

Step 3: Prepare the Ricotta Filling

  1. Combine Ricotta, Parmesan, Parsley, Egg, and Nutmeg: In a medium bowl, combine the ricotta cheese, grated Parmesan cheese, chopped fresh parsley, large egg, and dried nutmeg.
  2. Mix Well: Mix all ingredients together thoroughly until well combined and the mixture is smooth and creamy.
  3. Season Ricotta Mixture: Season the ricotta mixture with salt and black pepper to taste. Adjust seasoning as needed.

Step 4: Assemble the Lasagna

  1. Preheat Oven to 375°F (190°C): Reduce the oven temperature to 375°F (190°C) for baking the lasagna.
  2. Prepare Baking Dish: Lightly grease a 9×13 inch baking dish with olive oil or cooking spray.
  3. Layer Marinara Sauce (Bottom Layer): Spread a thin layer (about 1 cup) of marinara sauce evenly over the bottom of the prepared baking dish. This prevents the noodles from sticking and adds moisture to the bottom layer.
  4. Layer Lasagna Noodles: Arrange a layer of lasagna noodles over the marinara sauce, slightly overlapping if necessary to fit the dish. Use 3-4 noodles depending on the size and shape of your noodles and dish.
  5. Layer Ricotta Filling: Spread half of the ricotta cheese mixture evenly over the lasagna noodles.
  6. Layer Spinach Filling: Spread all of the spinach filling evenly over the ricotta layer.
  7. Layer Roasted Butternut Squash: Arrange half of the roasted butternut squash cubes evenly over the spinach layer.
  8. Layer Marinara Sauce (Second Sauce Layer): Spoon another cup of marinara sauce evenly over the butternut squash.
  9. Repeat Layers: Repeat layers: lasagna noodles, remaining ricotta mixture, remaining butternut squash, and finally top with the remaining marinara sauce (about 1 cup).
  10. Top with Parmesan Cheese: Sprinkle the remaining 1/2 cup of grated Parmesan cheese evenly over the top layer of marinara sauce.
  11. Cover with Foil: Cover the baking dish tightly with aluminum foil.

Step 5: Bake the Lasagna

  1. Bake Covered: Bake the lasagna in the preheated oven for 30 minutes, covered with foil. Baking covered helps to steam the lasagna and melt the cheese and fillings evenly.
  2. Remove Foil and Bake Uncovered: Remove the foil and continue to bake for another 20-25 minutes, or until the lasagna is bubbly around the edges, the cheese is melted and golden brown, and the noodles are tender when pierced with a fork.
  3. Rest Before Serving: Let the lasagna rest for 10-15 minutes before slicing and serving. This allows the lasagna to set, making it easier to slice and serve, and also allows the flavors to meld together.

Nutrition

  • Serving Size: one normal portion
  • Calories: 350-450
  • Sugar:  8-12 grams
  • Sodium: 500-700 mg
  • Fat: 15-20 grams
  • Saturated Fat: 8-12 grams
  • Carbohydrates:  40-50 grams
  • Fiber: 5-7 grams
  • Protein: 18-22 grams
  • Cholesterol: 80-100 mg