Low Carb Clam Chowder 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.

The first time a real craving for clam chowder hit me after starting a low-carb lifestyle, I felt a genuine sense of loss. I grew up with memories of chilly coastal vacations, where a steaming bread bowl of thick, creamy, potato-laden New England clam chowder was the ultimate comfort. It felt like a dish that was fundamentally incompatible with my new way of eating. How could you possibly have chowder without the starchy potatoes for bulk and the flour slurry for thickness? I tried a few “brothy” versions that left me feeling unsatisfied. Then, I had a breakthrough. I decided to treat cauliflower not as a sad substitute, but as a culinary secret weapon. The result was this recipe. The first time I served it, my family didn’t even notice the potatoes were gone. They were too busy marveling at the rich, creamy texture and the deep, savory flavor. It was thick, hearty, and packed with clams and bacon—everything a great chowder should be. This wasn’t a compromise; it was a revelation. It’s now a staple in our home, proving that you can absolutely have your comfort food and eat it too.

Reimagining a Classic: The Low Carb Chowder Challenge

Classic New England clam chowder is a culinary icon, beloved for its creamy texture and hearty, satisfying nature. However, its traditional foundation presents two major hurdles for anyone on a low-carb or ketogenic diet: potatoes and flour.

  • The Potato Problem: Potatoes are the heart of a traditional chowder’s texture. They provide bulk, substance, and release starches as they cook, which contributes to the soup’s overall thickness. A single medium potato can contain over 30 grams of carbohydrates, making them a non-starter for a low-carb recipe.
  • The Flour Problem: To achieve that signature velvety thickness, most chowder recipes rely on a roux (a paste of butter and flour) or a flour slurry to thicken the broth. Flour is, of course, very high in carbs and is avoided in keto and low-carb cooking.

So, how do you create a chowder that is thick, creamy, and hearty without its two key structural components? The answer lies in clever, delicious, and healthy substitutions that don’t just mimic the original but create a fantastic dish in their own right.

The Secret to a Thick and Creamy Low Carb Chowder

The genius of this recipe is in how it tackles the low-carb challenge head-on with two key strategies, resulting in a chowder so good, you’ll never miss the carbs.

Cauliflower: The Unsung Hero of Low Carb Cooking

Cauliflower is the perfect stand-in for potatoes in this chowder. When cooked until tender, it offers a similar soft bite and a neutral flavor that readily absorbs the savory notes of the bacon, clam juice, and cream. But its real magic lies in its ability to thicken.

For this recipe, we take it a step further. By taking a portion of the cooked cauliflower and pureeing it before adding it back to the pot, you create a natural, starchy-like emulsion. This pureed cauliflower gives the chowder body and a creamy consistency that beautifully mimics the effect of potato starch, all for a fraction of the carbs. You get the bulk, the texture, and the thickening power, all from one versatile vegetable.

Flour-Free Thickeners: Creaminess Without the Carbs

To achieve that final, luxurious, velvety texture, we turn to low-carb friendly thickeners instead of flour.

  • Heavy Cream & Cream Cheese: The base of our creaminess comes from high-quality dairy. Heavy cream provides richness and a natural thickness. A small amount of cream cheese can be whisked in to add both a subtle tang and a significant boost in creamy texture.
  • Xanthan Gum (Optional but Recommended): For those who want a truly authentic, silky-smooth, thick chowder, a tiny pinch of xanthan gum is a game-changer. Xanthan gum is a powerful, zero-carb thickener derived from fermentation. Used correctly, it can take the soup from “creamy” to “perfectly thick” without altering the flavor. We’ll cover the right way to use it to avoid any clumping.

The Ultimate Low Carb Clam Chowder Recipe

This recipe delivers a rich, satisfying chowder that is keto-friendly, gluten-free, and unbelievably delicious. It tastes like a decadent indulgence but fits perfectly within a healthy, low-carb lifestyle.

Complete Ingredients List

  • Bacon: 6 slices of thick-cut bacon, chopped
  • Aromatics:
    • 1 medium yellow onion, finely chopped
    • 2 celery stalks, finely chopped
    • 4 cloves garlic, minced
  • The “Potatoes”: 1 medium head of cauliflower (about 1.5 lbs), cut into small, ½-inch florets
  • The Clams: 2 (6.5 oz) cans of minced or chopped clams, with their juice (do not drain!)
  • Liquids:
    • 1 ½ cups chicken broth or bone broth
    • 1 cup heavy whipping cream
    • ½ cup unsweetened almond milk (or more broth)
  • For Creaminess & Flavor:
    • 2 oz cream cheese, softened (optional, for extra creaminess)
    • 2 tablespoons unsalted butter
    • 1 teaspoon dried thyme
    • Salt and black pepper to taste
  • Optional Thickener:
    • ¼ teaspoon xanthan gum
  • Garnish:
    • Freshly chopped chives or parsley

Step-by-Step Instructions

Follow these detailed steps to build layers of flavor for a truly exceptional chowder.

Part 1: Building the Flavor Base

  1. Render the Bacon: In a large Dutch oven or heavy-bottomed pot, cook the chopped bacon over medium heat until it is brown and crispy, about 8-10 minutes. Using a slotted spoon, remove the crispy bacon bits to a paper towel-lined plate and set aside for garnish.
  2. Sauté the Aromatics: Do not discard the rendered bacon fat in the pot! There should be about 2-3 tablespoons. If there’s too much, pour a little off. Add the chopped onion and celery to the pot with the bacon fat. Sauté for 5-7 minutes, stirring occasionally, until they have softened. Add the minced garlic and dried thyme and cook for another minute until fragrant.

Part 2: Cooking the “Potatoes” and Creating the Broth

  1. Add Cauliflower and Liquids: Add the cauliflower florets, the chicken broth, and the reserved juice from both cans of clams to the pot. Bring the mixture to a boil, then reduce the heat to a simmer.
  2. Simmer Until Tender: Cover the pot and let it simmer for 10-12 minutes, or until the cauliflower is fork-tender.

Part 3: The Creamy Cauliflower Trick

  1. Create the Thickening Puree: Using a ladle or slotted spoon, carefully transfer about 1 ½ cups of the cooked cauliflower (try to get mostly cauliflower and not too much broth) to a blender. Add the ½ cup of unsweetened almond milk. Blend on high until completely smooth and creamy.
  2. Return to the Pot: Pour the cauliflower puree back into the pot and stir to combine. This will immediately give the chowder more body and a creamier consistency.

Part 4: Finishing the Chowder

  1. Add Cream and Clams: Reduce the heat to low. Stir in the heavy cream and the butter. If using, add the softened cream cheese and whisk until it has completely melted into the soup. Finally, stir in the canned clams.
  2. Gentle Heat-Through: Let the chowder heat gently for 3-5 minutes. Crucially, do not let it boil after adding the clams and cream. Boiling can make the clams tough and may cause the cream to separate.
  3. Thicken with Xanthan Gum (Optional): If you desire a thicker chowder, this is the time to use the xanthan gum. In a tiny bowl, whisk the ¼ teaspoon of xanthan gum with 1 tablespoon of olive oil or melted butter to create a slurry. This prevents clumping. While stirring the soup, slowly drizzle the slurry into the pot. Continue to stir for a minute as the soup magically thickens.
  4. Season and Serve: Taste the chowder and season generously with salt and black pepper. The saltiness of the bacon and clam juice varies, so it’s important to taste first. Ladle the hot chowder into bowls, garnish with the reserved crispy bacon and fresh chives or parsley.

Nutrition Facts

  • Servings: 6 generous servings
  • Calories per serving: Approximately 450-500 kcal

Estimated Nutritional Breakdown per Serving:

  • Net Carbohydrates: 8g
  • Protein: 15g
  • Fat: 40g

Disclaimer: These values are an estimate and will vary based on the specific brands of ingredients used (e.g., bacon fat content, cream, clam juice).

Preparation & Cooking Time

  • Preparation Time: 15 minutes
  • Cooking Time: 30-35 minutes
  • Total Time: 45-50 minutes

How to Serve Your Low Carb Clam Chowder

While this chowder is a hearty meal on its own, here are some perfect ways to serve it to complete the experience.

  • Garnish Generously:
    • Crispy Bacon: The reserved bacon is a must for a salty, crunchy contrast.
    • Fresh Herbs: Chopped fresh parsley or chives add a pop of color and fresh flavor.
    • A Pat of Butter: Let a small pat of butter melt on top of the hot soup for extra richness.
    • Coarsely Ground Black Pepper: A fresh crack of pepper right before serving is essential.
  • Keto-Friendly Dippers:
    • Keto Crackers: Serve with a side of almond flour crackers or seed-based crackers for dipping.
    • Toasted Keto Bread: A slice of toasted low-carb bread is perfect for soaking up every last bit.
    • Celery Sticks: Use sturdy celery sticks as an edible spoon.
  • For Non-Low-Carb Guests:
    • Feel free to serve with traditional oyster crackers or a side of crusty sourdough bread for family members not following a low-carb diet.

5 Pro Tips for Flawless Low Carb Chowder

  1. The Cauliflower Puree is Non-Negotiable: Don’t skip the step of blending a portion of the cauliflower. This is the single most important technique for creating a chowder with body and a creamy texture that mimics potatoes, without having to rely solely on heavy dairy or thickeners.
  2. Bacon Fat is Flavor Gold: The rendered fat from the bacon is the foundation of your chowder’s flavor. Sautéing your onions and celery in this fat infuses the entire dish with a smoky, savory depth that you can’t get from butter or oil alone.
  3. Do Not Boil The Clams (or the Cream)! This is a cardinal rule of clam chowder. Canned clams are already cooked; they just need to be heated through. Boiling them will turn them rubbery and tough. Likewise, boiling a cream-based soup can cause it to “break” or curdle. Keep the heat on a gentle, low simmer once the cream and clams are added.
  4. Master the Xanthan Gum Slurry: Never sprinkle xanthan gum powder directly into a hot soup. It will instantly form slimy, hard-to-dissolve clumps. The foolproof method is to create a “slurry” by whisking it into a small amount of oil or melted butter first. This allows it to disperse evenly when you drizzle it into the pot.
  5. Season at the End: Between the salt in the bacon and the natural brine of the clam juice, your chowder already has a significant amount of salt. Always wait until all components are combined at the end to taste the soup and then add salt and pepper as needed.

Frequently Asked Questions (FAQ)

1. Can I use fresh clams instead of canned?
Absolutely! To use fresh clams (like littlenecks or cherrystones), steam about 2 pounds of them in a separate pot with a cup of water until they open. Discard any that don’t open. Strain the steaming liquid through a cheesecloth to remove any grit and use this delicious clam broth in place of the canned clam juice. Chop the fresh clam meat and add it to the soup at the very end, just as you would with canned clams.

2. My chowder still isn’t as thick as I’d like. What can I do?
If you’ve already pureed the cauliflower and still want it thicker, you have a few options. The easiest is to add your xanthan gum slurry as described. If you don’t have xanthan gum, you can let the chowder simmer very gently on low (uncovered) for an additional 10-15 minutes to allow it to reduce and thicken naturally. Another option is to whisk in another ounce or two of softened cream cheese.

3. Can I make this chowder dairy-free?
Yes, you can make a very good dairy-free version. Use a high-quality, full-fat canned coconut cream instead of heavy cream. Omit the cream cheese and butter, and use avocado oil or coconut oil to create the xanthan gum slurry. The flavor will have a subtle coconut note, but it complements the seafood surprisingly well. Ensure your bacon is uncured and free of dairy additives.

4. How do I store and reheat leftover chowder?
Store leftovers in an airtight container in the refrigerator for up to 3 days. Cream-based soups can separate when reheated, especially in a microwave. The best method for reheating is gently in a saucepan over low heat, stirring frequently, until it is warmed through. Do not let it boil.

5. Can I use frozen cauliflower?
Yes, frozen cauliflower works perfectly well in this recipe and can be a great time-saver. There’s no need to thaw it first. Simply add the frozen florets directly to the pot at the same step you would add fresh cauliflower. You may need to add a few extra minutes to the simmering time to ensure it’s fully tender before you proceed with the pureeing step.

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

Low Carb Clam Chowder recipe


  • Author: Sophia

Ingredients


  • Bacon: 6 slices of thick-cut bacon, chopped


  • Aromatics:


    • 1 medium yellow onion, finely chopped


    • 2 celery stalks, finely chopped


    • 4 cloves garlic, minced




  • The “Potatoes”: 1 medium head of cauliflower (about 1.5 lbs), cut into small, ½-inch florets


  • The Clams: 2 (6.5 oz) cans of minced or chopped clams, with their juice (do not drain!)


  • Liquids:


    • 1 ½ cups chicken broth or bone broth


    • 1 cup heavy whipping cream


    • ½ cup unsweetened almond milk (or more broth)




  • For Creaminess & Flavor:


    • 2 oz cream cheese, softened (optional, for extra creaminess)


    • 2 tablespoons unsalted butter


    • 1 teaspoon dried thyme


    • Salt and black pepper to taste




  • Optional Thickener:


    • ¼ teaspoon xanthan gum




  • Garnish:


    • Freshly chopped chives or parsley





Instructions

Part 1: Building the Flavor Base

  1. Render the Bacon: In a large Dutch oven or heavy-bottomed pot, cook the chopped bacon over medium heat until it is brown and crispy, about 8-10 minutes. Using a slotted spoon, remove the crispy bacon bits to a paper towel-lined plate and set aside for garnish.

  2. Sauté the Aromatics: Do not discard the rendered bacon fat in the pot! There should be about 2-3 tablespoons. If there’s too much, pour a little off. Add the chopped onion and celery to the pot with the bacon fat. Sauté for 5-7 minutes, stirring occasionally, until they have softened. Add the minced garlic and dried thyme and cook for another minute until fragrant.

Part 2: Cooking the “Potatoes” and Creating the Broth

  1. Add Cauliflower and Liquids: Add the cauliflower florets, the chicken broth, and the reserved juice from both cans of clams to the pot. Bring the mixture to a boil, then reduce the heat to a simmer.

  2. Simmer Until Tender: Cover the pot and let it simmer for 10-12 minutes, or until the cauliflower is fork-tender.

Part 3: The Creamy Cauliflower Trick

  1. Create the Thickening Puree: Using a ladle or slotted spoon, carefully transfer about 1 ½ cups of the cooked cauliflower (try to get mostly cauliflower and not too much broth) to a blender. Add the ½ cup of unsweetened almond milk. Blend on high until completely smooth and creamy.

  2. Return to the Pot: Pour the cauliflower puree back into the pot and stir to combine. This will immediately give the chowder more body and a creamier consistency.

Part 4: Finishing the Chowder

  1. Add Cream and Clams: Reduce the heat to low. Stir in the heavy cream and the butter. If using, add the softened cream cheese and whisk until it has completely melted into the soup. Finally, stir in the canned clams.

  2. Gentle Heat-Through: Let the chowder heat gently for 3-5 minutes. Crucially, do not let it boil after adding the clams and cream. Boiling can make the clams tough and may cause the cream to separate.

  3. Thicken with Xanthan Gum (Optional): If you desire a thicker chowder, this is the time to use the xanthan gum. In a tiny bowl, whisk the ¼ teaspoon of xanthan gum with 1 tablespoon of olive oil or melted butter to create a slurry. This prevents clumping. While stirring the soup, slowly drizzle the slurry into the pot. Continue to stir for a minute as the soup magically thickens.

  4. Season and Serve: Taste the chowder and season generously with salt and black pepper. The saltiness of the bacon and clam juice varies, so it’s important to taste first. Ladle the hot chowder into bowls, garnish with the reserved crispy bacon and fresh chives or parsley.

Nutrition

  • Serving Size: one normal portion
  • Calories: 450-500 kcal
  • Fat: 40g
  • Carbohydrates: 8g
  • Protein: 15g