Low Carb Clam Chowder

Low Carb Clam Chowder is the quintessential American comfort soup on a wintry New England day! Whether you call it “chowdah” or chowder, whether you are from New England or San Francisco, this delicious creamy Low Carb Clam Chowder packed with fresh clams is tasty and filling. Our low-carb version will rival any you find at “Ye Olde Union Oyster House” in Boston or on Pier 39 in San Francisco! How is that for a boast?

Low Carb Clam Chowder closeup

On this July 4th, as our nation celebrates Independence Day, foodies need to remember that the Battle of Bunker Hill was actually fought for “chowder,” or at least by those who dined on the clam-laden soup. Daniel Webster, a true patriot, was a regular consumer. Herman Melville, the author of “Moby Dick,” devoted an entire chapter to clam chowder!

Years ago, I came across a wonderful clam chowder recipe. It was rich in potatoes, full of minced clams, and with a flavor of bacon that delighted the taste buds. The soup became a staple of our diet. It froze well and warmed many a cold wintry day when we lived in Pittsburgh. But, the potatoes are gone with our new Keto lifestyle. Adjustments have been made and we offer the recipe below as a tasty alternative to the original.

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Bacon, minced clams with plenty of juice, a stick of butter, and heavy cream are the basic ingredients to make our clam chowder. Seasonings consist of “Old Bay,” Worcestershire sauce, celery salt, and our signature sherry for a full flavor. We garnish with bacon crumbles and smoked paprika for added flavor and presentation.

If we had to pick a key ingredient it would be the actual clam juice. We found 51 ounce cans of minced clams that are loaded with tasty natural clam juice. The tiny sardine size cans will also work, but make sure you get all of the juice from each and recognize that this will be an expensive soup using little cans. Our local Costco has 51 ounce cans of minced clams and juice that work perfectly. They are even at a reasonable price! Fresh clams would be wonderful, but not needed for a soup. Save those for steaming and dunked in butter!

Preparation Tips

Sauté at least 3/4 pound a regular thin-cut bacon that has been pre-chopped in the bottom of your stock pot. Make sure it is crispy, since it will soften when it is added back into the finished soup. Save some for your garnish. Most importantly, leave the bacon fat in the bottom of the pot to cook your celery and onion. That is where all the flavor comes from!

In our original recipe, we added all of the clam juice next and actually cooked the diced potatoes in the juice until partly softened. We do the same with our low-carb version. Cook the riced cauliflower in the clam juice until softened. The cauliflower replaces the potato as a thickener. Some recipes call for making a puree of the cooked cauliflower. We prefer to have some texture in each bite.

Make sure you taste the soup after adding the seasonings to make sure it is perfectly salted. You can also add a little hot sauce. We would recommend serving your soup with Cholula on the table so you can add heat, as needed.

Low Carb Clam Chowder with bacon on the side

Our final tips would be to cook the clams and reserved bacon at the end for only 3 minutes before serving. Otherwise, your clams will become tough. Your soup will thicken after you add the clams. However, if you like a thicker chowder you can add some cream cheese at the end. The soup will also thicken as it cools.

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Low Carb Clam Chowder – A Warm Soup Classic – Loaded with Clams and So Delicious!

Low Carb Clam Chowder is loaded with smoky bacon and lots of clams! Tasty Low Carb clam chowder, give this recipe a try. You will be amazed how delicious a Keto chowder can be and how the taste improves each day.

Low Carb Clam Chowder

Recipe by Joanie and Chris
4.8 from 62 votes
Course: SoupsCuisine: AmericanDifficulty: Easy


Prep time


Cooking time




Net Carbs


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Low Carb Clam Chowder with plenty of bacon and no potatoes – thick, tasty, and low in carbs! Perfect for a cold winter day or any day! Try our “chowdah.”

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  • 3/4 pound 340 g Bacon chopped

  • 16 ounces 454 g Cauliflower riced

  • 51 ounces 1.45 kg Clams chopped

  • 1 large 1 large Onion chopped

  • 4 stalks 4 stalks Celery chopped

  • 1/2 cup 114 g Butter

  • 32 ounces 1 l Heavy cream

  • 1 teaspoon 1 teaspoon Worcestershire sauce

  • 2 teaspoons 2 teaspoons Old Bay seasoning

  • 1 teaspoon 1 teaspoon Celery salt

  • 1/3 cup 78 ml Sherry

  • Smoked paprika to taste

  • Sea salt to taste

  • Pepper to taste


  • Sauté chopped bacon over medium heat in a large stock pot until crisp. Set aside to drain on paper towels. Leave bacon fat in pan.
  • Add chopped onions and celery and cook in bacon fat for 5 minutes until softened.
  • Stir in the cauliflower rice and with the celery and onion for about 10 minutes. Add the clam juice from a 51 ounce can of minced clams, bring to a boil, and cook until cauliflower is softened.
  • Stir in the heavy cream and then season with Old Bay, Worcestershire sauce, sherry, salt, pepper, and celery salt. Bring to boil and cook for another 10 minutes.
  • Add the butter and allow to melt while soup is boiling. Stir in the clams and reserved bacon for 3 minutes – the soup will thicken.
  • Serve with some reserved bacon and a sprinkle of smoked paprika on top.


Chef’s Notes

  • If your soup does not thicken you can add 6 ounces of cream cheese after the clams.

Nutrition Facts

  • Calories: 647.7kcal
  • Carbohydrates: 7.4g
  • Protein: 14.2g
  • Fat: 69.8g
  • Saturated Fat: 39.2g
  • Cholesterol: 194.8mg
  • Sodium: 753.4mg
  • Potassium: 473.3mg
  • Fiber: 1.8g
  • Sugar: 5.7g
  • Vitamin A: 2500IU
  • Vitamin C: 25.6mg
  • Calcium: 122.6mg
  • Iron: 1.1mg
Spicely Organic Celery Seeds 1.4 Oz Certified Gluten Free
  • Certified USDA Organic, Gluten Free, Non-GMO, Vegan, Kosher. Certifications available at Spicely Organics.
  • Celery seeds come from the celery plant and have a similar flavor profile, grassy, a little sweet and a little bitter.

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  1. This was delicious. We omitted the butter and added the cream cheese and it was AMAZING. Thank you so much for sharing!

    • Joanie and Chris

      So pleased you enjoyed my recipe. It is one of our favorites, too. Thanks . . . Joanie.

      • Jill Ziegler

        Can you use frozen riced cauliflower? If so, does it change any cooking times?

        • Joanie and Chris

          Frozen should be okay, but I would thaw it before cooking. It may hold a lot of water and I would let that drain. I really have not tried using frozen cauliflower for the Chowder. I do hope you enjoy the recipe and I would suspect the cooking times would not change since it is a soup. Thanks for the comment . . . Joanie.

  2. Wow, that was SO tasty–thank you for sharing! I can’t wait to cook it again (this will be a regular meal–especially during the cold Minnesota winter)!

    • Joanie and Chris

      Thank you so much for the kind comment. We are long-time soup people, having lived in Pennsylvania for many years. This one is one of our favorites, even here in Arizona. Stay warm, enjoy the “Chowdah” and please try some of our other soups . . . Joanie.

  3. Jessica Ward

    Can this be frozen after made? I know you said your prior non-low carb version was freezable. I was just always under the impression you can’t freeze cream based soups.

    • Joanie and Chris

      We do freeze cream soups all the time. However, it is a good idea to defrost first in the refrigerator and re-heat slowly, while stirring, as they can separate. Also, if you make the recipe a lot, and know there will be leftover, we often make it without the cream and then add when defrosted. Effectively add cream for part of the recipe you plan to eat. Freeze the rest and then add cream after defrosting and reheating. Thanks for the question . . . Joanie.

  4. We recently had a New England Style Clam Chowder at a restaurant that was out of this world. This recipe is identical -minus the potatoes! Your recipe ticks all the boxes. It is absolutely delicious. The smoked paprika, sherry and Old Bay seasoning really enhanced the flavor without overwhelming it. I look forward to checking out your other recipes!

    • Joan and Chris

      How nice! Thank you! We have enjoyed the chowdah recipe for years. You hit on what makes it so good – the spice blend and top notch ingredients. Please stay in touch regarding our other recipes. Thanks again . . . Joanie.

  5. This was truly excellent. I forgot the sherry, but I can’t imagine it needing anything else. My non-keto parents were in town, and they thought it was the best clam chowder they have ever had. Thanks for a great recipe!

    • Joan and Chris

      Thank you so much! It is one of our favorites. If you browse our site you will see we use a lot of sherry, but the clam flavor and creaminess are the key. Thanks again . . . Joanie.

  6. Is the can of clams you used for this the same size as the ones from Costco? I think they’re sold in packs of 2.

    • Joan and Chris

      Absolutely! Two in a package – Costco carries them all the time. We also use them to make a great “Linguine with Clam Sauce” using zucchini noodles. We will post than one soon. Thanks for the question – we hope you enjoy the low-carb clam chowder as much as we do! Joanie.

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