There are dishes that simply sing of a particular season, capturing its essence in every bite. For me, the Ham, Asparagus & Gruyère Tart is the epitome of springtime. It’s a dish that’s both elegant and comforting, perfect for a sunny brunch, a light lunch, or even a sophisticated dinner appetizer. The first time I baked this tart, the aroma alone was intoxicating – buttery pastry mingled with the savory scent of ham and the fresh greenness of asparagus. And the taste? Absolutely divine! The crisp, flaky crust gives way to a creamy, cheesy filling studded with salty ham and tender asparagus spears. It’s a harmonious blend of flavors and textures that’s both satisfying and utterly delightful. My family adores this tart, and it’s become a springtime staple in our kitchen. It’s surprisingly easy to make, yet it looks and tastes like something you’d find in a charming French bistro. If you’re looking for a dish that’s both impressive and approachable, that celebrates the fresh flavors of spring, and that’s guaranteed to impress your guests (or simply elevate your own meal), then look no further. This Ham, Asparagus & Gruyère Tart recipe is a true winner.
Ingredients: The Building Blocks of a Flavorful Ham, Asparagus & Gruyère Tart
The magic of this Ham, Asparagus & Gruyère Tart lies in the quality of its simple, yet carefully chosen ingredients. Each component plays a vital role in creating the balanced and delicious final product. Here’s what you’ll need to assemble this delightful tart:
- For the Crust (Homemade or Store-Bought):
- All-Purpose Flour: 1 ¼ cups all-purpose flour (if making homemade crust). Use good quality all-purpose flour for a tender and flaky crust. For a gluten-free option, use a gluten-free all-purpose flour blend designed for baking.
- Salt: ½ teaspoon salt (if making homemade crust). Salt enhances the flavor of the crust and balances the sweetness of the filling.
- Unsalted Butter: ½ cup (1 stick), cold and cubed (if making homemade crust). Cold butter is crucial for creating flaky layers in the crust. Ensure it’s unsalted to control the overall saltiness of the tart.
- Ice Water: ¼ cup to ½ cup, or as needed (if making homemade crust). Ice water keeps the butter cold and helps to bring the dough together. Add it gradually until the dough just comes together.
- OR
- Refrigerated Pie Crust: 1 box (14.1 ounces) refrigerated pie crusts (for a quicker option). Using store-bought refrigerated pie crust is a convenient shortcut that still yields delicious results. Choose a good quality brand for best flavor and texture. You will typically use one crust for this tart.
- For the Filling:
- Asparagus: 1 pound fresh asparagus, trimmed and cut into 1-inch pieces. Fresh asparagus is essential for this spring tart. Look for firm, bright green spears with tightly closed tips. Trimming the tough woody ends is important for best texture.
- Cooked Ham: 8 ounces cooked ham, diced. Use good quality cooked ham, such as Black Forest ham, smoked ham, or leftover holiday ham. Dicing it into small pieces ensures even distribution in the tart filling. You can also use prosciutto or pancetta for a different flavor profile.
- Gruyère Cheese: 1 cup shredded Gruyère cheese. Gruyère cheese is the star of this tart, offering a nutty, slightly sweet, and complex flavor that melts beautifully. Freshly shredded Gruyère is always recommended over pre-shredded for better melting and flavor. You can substitute with Swiss cheese, Emmental, or Jarlsberg if Gruyère is not available.
- Eggs: 4 large eggs. Eggs are the binding agent for the filling, creating a creamy and custard-like texture. Use large eggs for consistent results.
- Heavy Cream: ¾ cup heavy cream. Heavy cream adds richness and creaminess to the filling. You can substitute with half-and-half for a slightly lighter tart, but the texture will be less rich.
- Whole Milk: ¼ cup whole milk. Whole milk adds moisture and balances the richness of the heavy cream. You can use 2% milk in a pinch, but whole milk provides the best flavor and texture.
- Shallot: 1 small shallot, finely minced. Shallot adds a delicate onion-like flavor that enhances the savory notes of the tart. You can substitute with a small amount of finely minced yellow onion or scallion if shallot is not available.
- Fresh Thyme: 1 tablespoon fresh thyme leaves, chopped. Fresh thyme adds a fragrant, earthy, and slightly lemony flavor that complements ham, asparagus, and Gruyère beautifully. You can substitute with dried thyme (about 1 teaspoon), but fresh thyme is preferred for its brighter flavor.
- Dijon Mustard: 1 teaspoon Dijon mustard. Dijon mustard adds a subtle tang and depth of flavor to the filling. It also helps to balance the richness and adds a slight complexity.
- Salt: ½ teaspoon salt, or to taste. Salt enhances the flavors of all the ingredients in the filling. Adjust to taste, considering the saltiness of the ham and Gruyère cheese.
- Black Pepper: ¼ teaspoon black pepper, freshly ground, or to taste. Freshly ground black pepper adds a pungent spice and aroma. Adjust to taste.
- Nutmeg (Optional): Pinch of ground nutmeg. A pinch of nutmeg adds a warm, subtle spice that complements the cheesy and savory flavors. Use it sparingly as nutmeg can be overpowering.
- Olive Oil: 1 tablespoon olive oil (for sautéing asparagus and shallot). Olive oil is used for sautéing the asparagus and shallot, adding flavor and helping them to soften slightly before baking. You can use butter instead for a richer flavor.
- Egg Wash (Optional, for a golden crust): 1 egg yolk beaten with 1 tablespoon water (for brushing the crust, if making homemade). Egg wash creates a golden brown and glossy crust. It’s optional but recommended for a more visually appealing tart.
Ingredient Variations and Considerations:
- Crust Options: As mentioned, store-bought crust is a convenient option. For a more rustic tart, you can use a puff pastry crust. For a healthier option, consider a whole wheat or gluten-free crust.
- Cheese Substitutions: While Gruyère is highly recommended, you can substitute with other cheeses like Swiss, Emmental, Jarlsberg, Fontina, or even a blend of Parmesan and mozzarella. Each cheese will impart a slightly different flavor profile.
- Meat Variations: Instead of ham, you can use cooked bacon (crisped and crumbled), prosciutto (torn into pieces), pancetta (crisped), or leftover roasted chicken or turkey (shredded). Smoked salmon is another interesting option for a seafood twist.
- Vegetable Additions: Feel free to add other spring vegetables like leeks (sautéed), peas (fresh or frozen), or baby spinach (wilted). Roasted red peppers or caramelized onions can also add depth of flavor.
- Herb Alternatives: If you don’t have fresh thyme, you can use fresh rosemary, chives, or parsley. Dried herbs can also be used, but use about one-third of the amount called for fresh herbs.
- Spice Variations: A pinch of red pepper flakes can add a subtle heat. Smoked paprika can add a smoky flavor dimension.
Instructions: Step-by-Step Guide to Baking a Perfect Ham, Asparagus & Gruyère Tart
Baking a Ham, Asparagus & Gruyère Tart is a rewarding culinary experience. While it may seem a bit involved, following these step-by-step instructions will guide you to creating a beautiful and delicious tart that’s sure to impress.
Step 1: Prepare the Crust (If Making Homemade):
- Combine Dry Ingredients: In a large bowl, whisk together the flour and salt.
- Cut in Butter: Add the cold, cubed butter to the flour mixture. Using a pastry blender or your fingertips, cut the butter into the flour until the mixture resembles coarse crumbs with some pea-sized pieces of butter remaining. Work quickly to keep the butter cold.
- Add Ice Water: Gradually add ice water, one tablespoon at a time, mixing gently after each addition, until the dough just comes together. Be careful not to add too much water. The dough should be moist but not sticky.
- Form Dough and Chill: Gather the dough into a disc, wrap it in plastic wrap, and flatten it slightly. Refrigerate for at least 30 minutes, or up to 2 hours. Chilling allows the gluten to relax and the butter to firm up, resulting in a tender and flaky crust.
Step 2: Prepare the Asparagus and Shallot:
- Preheat Oven and Prepare Baking Sheet: Preheat oven to 375°F (190°C). Line a baking sheet with parchment paper.
- Sauté Asparagus and Shallot: Heat olive oil in a large skillet over medium heat. Add the asparagus and minced shallot and sauté for 3-5 minutes, until the asparagus is bright green and slightly tender-crisp. Do not overcook the asparagus as it will continue to cook in the oven. Season lightly with salt and pepper. Set aside to cool slightly.
Step 3: Prepare the Filling:
- Whisk Eggs and Dairy: In a large bowl, whisk together the eggs, heavy cream, and whole milk until well combined.
- Add Seasonings: Whisk in Dijon mustard, chopped fresh thyme, salt, black pepper, and nutmeg (if using).
Step 4: Assemble the Tart:
- Roll Out Crust (If Homemade): On a lightly floured surface, roll out the chilled dough into a 12-inch circle, about ⅛-inch thick. If using store-bought crust, simply unroll one crust.
- Transfer Crust to Tart Pan: Gently transfer the crust to a 9-inch tart pan with a removable bottom. Press the crust into the bottom and up the sides of the pan. Trim any excess dough hanging over the edge. You can crimp the edges for a decorative finish, or simply leave them as they are.
- Blind Bake Crust (Optional but Recommended for a Crispier Bottom): For a crispier bottom crust, you can blind bake it. Line the crust with parchment paper and fill with pie weights or dried beans. Bake for 15 minutes. Remove the parchment paper and weights and bake for another 5-7 minutes, until the crust is lightly golden. Let cool slightly. Skipping blind baking will result in a slightly softer bottom crust.
- Layer Filling Ingredients: Sprinkle half of the shredded Gruyère cheese evenly over the bottom of the prepared tart crust.
- Arrange Asparagus and Ham: Arrange the sautéed asparagus and diced ham evenly over the cheese layer.
- Pour Egg Mixture: Pour the egg mixture evenly over the asparagus and ham.
- Top with Remaining Cheese: Sprinkle the remaining Gruyère cheese over the egg mixture.
- Brush Crust with Egg Wash (Optional, if using homemade crust): If using homemade crust and desired, brush the edges of the crust with egg wash for a golden brown finish.
Step 5: Bake the Tart:
- Bake: Bake in the preheated oven for 35-45 minutes, or until the crust is golden brown and the filling is set and lightly golden on top. A knife inserted into the center of the filling should come out mostly clean (a little moistness is okay). The tart should be puffed and golden brown.
- Cool Slightly: Let the tart cool in the pan on a wire rack for at least 10-15 minutes before slicing and serving. Cooling slightly allows the filling to set further and makes slicing easier.
Tips for Tart Perfection:
- Keep Butter Cold (for Homemade Crust): Cold butter is essential for a flaky crust. Use ice water and work quickly when making the homemade crust to prevent the butter from melting.
- Don’t Overwork the Dough (for Homemade Crust): Overworking the dough develops gluten, which can lead to a tough crust. Mix the dough just until it comes together.
- Blind Bake for Crispier Crust: Blind baking the crust, especially if using a homemade crust, helps to prevent a soggy bottom and ensures a crispier texture.
- Don’t Overcook the Asparagus: Sauté the asparagus just until tender-crisp as it will continue to cook in the oven. Overcooked asparagus will become mushy.
- Let the Tart Cool Slightly Before Slicing: Cooling the tart slightly allows the filling to set properly, making it easier to slice and serve without the filling running out.
Nutrition Facts: A Deliciously Balanced Tart
Ham, Asparagus & Gruyère Tart, while undeniably delicious, can also be part of a balanced diet when enjoyed in moderation. It provides protein, calcium, and vitamins from the eggs, cheese, ham, and asparagus.
Serving Size: 1 slice (approximately ⅛ of the tart)
Approximate Nutritional Information Per Serving (estimated, may vary based on crust type, cheese quantity, and specific ingredients):
- Calories: 350-450 kcal
- Protein: 15-20 grams
- Fat: 25-35 grams
- Saturated Fat: 15-20 grams
- Monounsaturated Fat: 8-12 grams
- Polyunsaturated Fat: 2-3 grams
- Cholesterol: 150-200 mg
- Sodium: Varies greatly depending on ham type and added salt (approximately 400-600 mg or more, can be reduced by using lower sodium ham and controlling added salt)
- Carbohydrates: 20-30 grams
- Fiber: 2-3 grams
- Sugar: 2-4 grams (naturally occurring and added sugar in some crusts)
- Vitamins and Minerals:
- Good source of Vitamin K (from asparagus)
- Good source of Vitamin A (from eggs and dairy)
- Good source of Calcium (from Gruyère cheese and dairy)
- Good source of Riboflavin (Vitamin B2) and Vitamin B12 (from eggs and dairy)
- Contains Iron, Selenium, and other micronutrients
Health Considerations:
- Fat Content: This tart is relatively high in fat, primarily from the butter in the crust and the cheese and cream in the filling. Enjoy in moderation as part of a balanced diet.
- Sodium Content: The sodium content can be significant, especially depending on the type of ham used and added salt. Choose lower sodium ham options and be mindful of added salt.
- Portion Control: Be mindful of portion sizes due to the calorie and fat content. A moderate slice can be a satisfying and enjoyable treat.
- Nutrient Density: While it contains fat and calories, the tart also provides protein, vitamins, and minerals from whole food ingredients like eggs, cheese, ham, and asparagus.
Note: These nutritional facts are estimates and can vary depending on the specific ingredients used, crust type, cheese quantity, and portion sizes. For more precise nutritional information, you can use online nutritional calculators and input the specific ingredients and quantities used. Using whole wheat crust or lighter dairy options can slightly alter the nutritional profile.
Preparation Time: From Kitchen to Table
Creating a Ham, Asparagus & Gruyère Tart does require some time, but it’s a manageable process, especially if you use store-bought crust. The hands-on time is relatively short, with most of the time spent baking and chilling (if making homemade crust).
Total Preparation Time: Approximately 1 hour 30 minutes to 2 hours (including chill time for homemade crust)
- Prep Time (including vegetable prep, ham dicing, cheese shredding, and filling mixing): 30-40 minutes
- Crust Prep Time (if homemade, including chill time): 45 minutes to 1 hour (including 30 minutes chill time)
- Bake Time: 35-45 minutes
- Cooling Time: 10-15 minutes
Breakdown:
- Crust Preparation (Homemade, 45-60 minutes): Making homemade crust takes about 15-20 minutes of active time, plus 30-40 minutes chilling time. Using store-bought crust eliminates this step.
- Vegetable and Filling Prep (30-40 minutes): Washing and chopping vegetables, dicing ham, shredding cheese, and mixing the filling takes about 30-40 minutes.
- Assembly (10-15 minutes): Rolling out crust (if homemade), transferring to tart pan, arranging filling ingredients, and pouring egg mixture takes about 10-15 minutes.
- Baking (35-45 minutes): The tart bakes for 35-45 minutes in the oven.
- Cooling (10-15 minutes): Cooling the tart for 10-15 minutes before slicing.
Make-Ahead Tips:
- Make Crust Ahead: Homemade crust can be made up to 2 days in advance and stored tightly wrapped in the refrigerator. You can also freeze homemade crust dough for up to 2 months. Thaw overnight in the refrigerator before rolling out.
- Prep Vegetables and Ham Ahead: You can chop the asparagus, mince the shallot, and dice the ham a day in advance and store them separately in airtight containers in the refrigerator.
- Shred Cheese Ahead: Shred the Gruyère cheese a day in advance and store it in an airtight container in the refrigerator.
- Assemble Tart Ahead (Unbaked): You can assemble the entire unbaked tart (crust, filling, cheese) up to a few hours in advance and keep it refrigerated until ready to bake. Bake as directed, adding a few extra minutes to the baking time if starting from cold.
How to Serve Ham, Asparagus & Gruyère Tart: Versatile and Elegant
Ham, Asparagus & Gruyère Tart is incredibly versatile and can be served for various occasions, from casual brunches to elegant dinners. Its rich and savory flavors make it a satisfying and crowd-pleasing dish.
Serving Occasions:
- Brunch: A perfect centerpiece for a spring brunch menu. Serve it warm or at room temperature alongside fresh fruit salad, yogurt parfaits, and mimosas.
- Lunch: Enjoy a slice of tart with a light green salad for a satisfying and elegant lunch.
- Appetizer: Cut the tart into smaller wedges to serve as a sophisticated appetizer for a dinner party.
- Light Dinner: Serve with a side salad and a simple vinaigrette for a complete and light dinner.
- Picnics and Potlucks: This tart travels well and can be enjoyed at room temperature, making it ideal for picnics and potlucks.
Serving Temperature:
- Warm: Serve warm for the most comforting and satisfying experience, especially for brunch or dinner.
- Room Temperature: Delicious at room temperature, making it convenient for buffets, picnics, and make-ahead meals.
- Cold (Optional): Can be enjoyed cold, though the crust may be slightly less crisp. Good for leftovers or on a hot day.
Side Dish Suggestions:
- Green Salad: A simple green salad with a light vinaigrette dressing. The acidity of the vinaigrette balances the richness of the tart.
- Fruit Salad: Fresh fruit salad with berries, melon, and grapes. The sweetness of the fruit provides a refreshing contrast to the savory tart.
- Roasted Vegetables: Roasted root vegetables like carrots, potatoes, or sweet potatoes.
- Asparagus Salad: A simple asparagus salad with lemon vinaigrette to complement the asparagus in the tart.
- Yogurt Parfait: For brunch, serve with yogurt parfaits with granola and fresh fruit.
Beverage Pairings:
- White Wine: Crisp white wines like Sauvignon Blanc, Pinot Grigio, or dry Riesling pair well with the savory flavors of the tart.
- Rosé Wine: Dry rosé wines, especially those with a bit of fruitiness, are a good match for brunch or lunch.
- Sparkling Wine: Champagne or Prosecco for a celebratory brunch or special occasion.
- Iced Tea or Lemonade: Refreshing non-alcoholic options for brunch or lunch.
- Coffee or Tea: Classic brunch beverages.
Additional Tips for a Standout Ham, Asparagus & Gruyère Tart
To take your Ham, Asparagus & Gruyère Tart from delicious to exceptional, here are five additional tips to keep in mind:
- Use High-Quality Ingredients: Since the ingredient list is relatively simple, the quality of each ingredient really shines through. Use good quality ham, Gruyère cheese, fresh asparagus, and good quality butter and olive oil. Fresh, high-quality ingredients will elevate the flavor of the tart significantly.
- Don’t Overfill the Tart: Avoid overfilling the tart with too much asparagus or ham. Overfilling can make the filling too dense and prevent it from cooking evenly. Distribute the asparagus and ham evenly in a single layer.
- Grate Your Own Gruyère: Freshly grated Gruyère cheese melts much better and has a superior flavor compared to pre-shredded cheese, which often contains cellulose to prevent clumping and can hinder melting. Take the extra minute to grate your own cheese for the best results.
- Adjust Seasoning to Taste: Taste the egg mixture before pouring it into the tart crust and adjust seasoning as needed. Consider the saltiness of the ham and Gruyère cheese when seasoning. You may need to add more or less salt depending on the specific ingredients you are using.
- Let the Tart Rest Before Slicing: Allowing the tart to rest for at least 10-15 minutes after baking is crucial. This allows the filling to set properly, making it easier to slice neatly and prevents the filling from running out. Resting also helps to enhance the overall texture and flavor of the tart.
Frequently Asked Questions (FAQ) About Ham, Asparagus & Gruyère Tart
Here are five frequently asked questions about making Ham, Asparagus & Gruyère Tart:
Q1: Can I use a different type of crust for this tart?
A: Yes, you can use different types of crust. Store-bought refrigerated pie crust is a convenient option. Puff pastry crust will create a flakier and richer tart. You can also use a gluten-free pie crust for dietary restrictions. For a more rustic look, consider a free-form galette crust.
Q2: Can I make this tart vegetarian?
A: Yes, to make this tart vegetarian, simply omit the ham. You can add other vegetables to compensate, such as sautéed mushrooms, caramelized onions, roasted red peppers, or more asparagus. Consider adding a vegetarian-friendly cheese like ricotta or goat cheese for added flavor and creaminess.
Q3: Can I freeze Ham, Asparagus & Gruyère Tart?
A: Yes, you can freeze baked Ham, Asparagus & Gruyère Tart. Let the tart cool completely after baking. Wrap it tightly in plastic wrap and then in aluminum foil. Freeze for up to 2-3 months. To reheat, thaw overnight in the refrigerator and then bake in a preheated oven at 350°F (175°C) for 15-20 minutes, or until heated through. The crust may be slightly less crisp after freezing and thawing.
Q4: Can I make this tart without heavy cream?
A: Yes, you can make the tart with half-and-half instead of heavy cream for a slightly lighter version. The texture will be less rich and creamy, but it will still be delicious. You can also use whole milk, but the filling will be even less rich and may be slightly thinner.
Q5: What can I do if my tart crust shrinks during baking?
A: Crust shrinkage can happen when baking tarts. To minimize shrinkage: ensure your crust is properly chilled before baking, don’t stretch the dough when placing it in the tart pan, trim excess dough after chilling, and blind bake the crust using pie weights or dried beans. If shrinkage does occur, it’s usually minimal and won’t significantly affect the taste or enjoyment of the tart.
Enjoy baking and savoring this delightful Ham, Asparagus & Gruyère Tart! It’s a recipe that’s perfect for celebrating spring and bringing joy to any table.
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Ham, Asparagus & Gruyère Tart recipe
Ingredients
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- For the Crust (Homemade or Store-Bought):
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- All-Purpose Flour: 1 ¼ cups all-purpose flour (if making homemade crust). Use good quality all-purpose flour for a tender and flaky crust. For a gluten-free option, use a gluten-free all-purpose flour blend designed for baking.
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- Salt: ½ teaspoon salt (if making homemade crust). Salt enhances the flavor of the crust and balances the sweetness of the filling.
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- Unsalted Butter: ½ cup (1 stick), cold and cubed (if making homemade crust). Cold butter is crucial for creating flaky layers in the crust. Ensure it’s unsalted to control the overall saltiness of the tart.
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- Ice Water: ¼ cup to ½ cup, or as needed (if making homemade crust). Ice water keeps the butter cold and helps to bring the dough together. Add it gradually until the dough just comes together.
-
- OR
-
- Refrigerated Pie Crust: 1 box (14.1 ounces) refrigerated pie crusts (for a quicker option). Using store-bought refrigerated pie crust is a convenient shortcut that still yields delicious results. Choose a good quality brand for best flavor and texture. You will typically use one crust for this tart.
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- For the Crust (Homemade or Store-Bought):
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- For the Filling:
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- Asparagus: 1 pound fresh asparagus, trimmed and cut into 1-inch pieces. Fresh asparagus is essential for this spring tart. Look for firm, bright green spears with tightly closed tips. Trimming the tough woody ends is important for best texture.
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- Cooked Ham: 8 ounces cooked ham, diced. Use good quality cooked ham, such as Black Forest ham, smoked ham, or leftover holiday ham. Dicing it into small pieces ensures even distribution in the tart filling. You can also use prosciutto or pancetta for a different flavor profile.
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- Gruyère Cheese: 1 cup shredded Gruyère cheese. Gruyère cheese is the star of this tart, offering a nutty, slightly sweet, and complex flavor that melts beautifully. Freshly shredded Gruyère is always recommended over pre-shredded for better melting and flavor. You can substitute with Swiss cheese, Emmental, or Jarlsberg if Gruyère is not available.
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- Eggs: 4 large eggs. Eggs are the binding agent for the filling, creating a creamy and custard-like texture. Use large eggs for consistent results.
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- Heavy Cream: ¾ cup heavy cream. Heavy cream adds richness and creaminess to the filling. You can substitute with half-and-half for a slightly lighter tart, but the texture will be less rich.
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- Whole Milk: ¼ cup whole milk. Whole milk adds moisture and balances the richness of the heavy cream. You can use 2% milk in a pinch, but whole milk provides the best flavor and texture.
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- Shallot: 1 small shallot, finely minced. Shallot adds a delicate onion-like flavor that enhances the savory notes of the tart. You can substitute with a small amount of finely minced yellow onion or scallion if shallot is not available.
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- Fresh Thyme: 1 tablespoon fresh thyme leaves, chopped. Fresh thyme adds a fragrant, earthy, and slightly lemony flavor that complements ham, asparagus, and Gruyère beautifully. You can substitute with dried thyme (about 1 teaspoon), but fresh thyme is preferred for its brighter flavor.
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- Dijon Mustard: 1 teaspoon Dijon mustard. Dijon mustard adds a subtle tang and depth of flavor to the filling. It also helps to balance the richness and adds a slight complexity.
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- Salt: ½ teaspoon salt, or to taste. Salt enhances the flavors of all the ingredients in the filling. Adjust to taste, considering the saltiness of the ham and Gruyère cheese.
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- Black Pepper: ¼ teaspoon black pepper, freshly ground, or to taste. Freshly ground black pepper adds a pungent spice and aroma. Adjust to taste.
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- Nutmeg (Optional): Pinch of ground nutmeg. A pinch of nutmeg adds a warm, subtle spice that complements the cheesy and savory flavors. Use it sparingly as nutmeg can be overpowering.
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- Olive Oil: 1 tablespoon olive oil (for sautéing asparagus and shallot). Olive oil is used for sautéing the asparagus and shallot, adding flavor and helping them to soften slightly before baking. You can use butter instead for a richer flavor.
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- Egg Wash (Optional, for a golden crust): 1 egg yolk beaten with 1 tablespoon water (for brushing the crust, if making homemade). Egg wash creates a golden brown and glossy crust. It’s optional but recommended for a more visually appealing tart.
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- For the Filling:
Instructions
Step 1: Prepare the Crust (If Making Homemade):
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- Combine Dry Ingredients: In a large bowl, whisk together the flour and salt.
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- Cut in Butter: Add the cold, cubed butter to the flour mixture. Using a pastry blender or your fingertips, cut the butter into the flour until the mixture resembles coarse crumbs with some pea-sized pieces of butter remaining. Work quickly to keep the butter cold.
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- Add Ice Water: Gradually add ice water, one tablespoon at a time, mixing gently after each addition, until the dough just comes together. Be careful not to add too much water. The dough should be moist but not sticky.
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- Form Dough and Chill: Gather the dough into a disc, wrap it in plastic wrap, and flatten it slightly. Refrigerate for at least 30 minutes, or up to 2 hours. Chilling allows the gluten to relax and the butter to firm up, resulting in a tender and flaky crust.
Step 2: Prepare the Asparagus and Shallot:
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- Preheat Oven and Prepare Baking Sheet: Preheat oven to 375°F (190°C). Line a baking sheet with parchment paper.
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- Sauté Asparagus and Shallot: Heat olive oil in a large skillet over medium heat. Add the asparagus and minced shallot and sauté for 3-5 minutes, until the asparagus is bright green and slightly tender-crisp. Do not overcook the asparagus as it will continue to cook in the oven. Season lightly with salt and pepper. Set aside to cool slightly.
Step 3: Prepare the Filling:
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- Whisk Eggs and Dairy: In a large bowl, whisk together the eggs, heavy cream, and whole milk until well combined.
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- Add Seasonings: Whisk in Dijon mustard, chopped fresh thyme, salt, black pepper, and nutmeg (if using).
Step 4: Assemble the Tart:
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- Roll Out Crust (If Homemade): On a lightly floured surface, roll out the chilled dough into a 12-inch circle, about ⅛-inch thick. If using store-bought crust, simply unroll one crust.
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- Transfer Crust to Tart Pan: Gently transfer the crust to a 9-inch tart pan with a removable bottom. Press the crust into the bottom and up the sides of the pan. Trim any excess dough hanging over the edge. You can crimp the edges for a decorative finish, or simply leave them as they are.
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- Blind Bake Crust (Optional but Recommended for a Crispier Bottom): For a crispier bottom crust, you can blind bake it. Line the crust with parchment paper and fill with pie weights or dried beans. Bake for 15 minutes. Remove the parchment paper and weights and bake for another 5-7 minutes, until the crust is lightly golden. Let cool slightly. Skipping blind baking will result in a slightly softer bottom crust.
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- Layer Filling Ingredients: Sprinkle half of the shredded Gruyère cheese evenly over the bottom of the prepared tart crust.
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- Arrange Asparagus and Ham: Arrange the sautéed asparagus and diced ham evenly over the cheese layer.
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- Pour Egg Mixture: Pour the egg mixture evenly over the asparagus and ham.
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- Top with Remaining Cheese: Sprinkle the remaining Gruyère cheese over the egg mixture.
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- Brush Crust with Egg Wash (Optional, if using homemade crust): If using homemade crust and desired, brush the edges of the crust with egg wash for a golden brown finish.
Step 5: Bake the Tart:
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- Bake: Bake in the preheated oven for 35-45 minutes, or until the crust is golden brown and the filling is set and lightly golden on top. A knife inserted into the center of the filling should come out mostly clean (a little moistness is okay). The tart should be puffed and golden brown.
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- Cool Slightly: Let the tart cool in the pan on a wire rack for at least 10-15 minutes before slicing and serving. Cooling slightly allows the filling to set further and makes slicing easier.
Nutrition
- Serving Size: one normal portion
- Calories: 350-450
- Sugar: 2-4 grams
- Sodium: 400-600 mg
- Fat: 25-35 grams
- Saturated Fat: 15-20 grams
- Carbohydrates: 20-30 grams
- Fiber: 2-3 grams
- Protein: 15-20 grams
- Cholesterol: 150-200 mg





