It's easy to make Keto Lobster Bisque with my recipe! It's full of all the wonderful, creamy flavors you've missed, without all the carbs.

I got creative with this recipe, so I could maintain the rich creaminess we all expect from a Lobster Bisque without going over the top on calories and carbs. It uses an ingredient that you may not expect but does NOT compromise on flavors and textures you expect - making the perfect Keto Lobster Bisque.
What's So Great About This Lobster Bisque?
- Filling. Soups are my go-to when I'm trying to be strict about low-carb, or when I'm trying to get back on track.
- Low Carb. Only 7 net carbs per serving.
- Easy. Cook veggies, add broth and langoustines, simmer, and serve.
- Delicious. Can you really go wrong with a lobster dish?
Is Lobster Keto-friendly?
Yes. Most seafood is incredibly Keto-friendly, just like any meat. Seafood is light, filling, and high in protein so it's a great addition to any diet, and perfect for a Keto way of eating.
Is Lobster Bisque Healthy?
My recipe is! This Keto Lobster Bisque is LOADED with veggies, and protein and will fill you with without bogging you down with heavy carbs and calories. Traditional Lobster Bisque is full of heavy cream and typically high in carbs and calories.
How Many Carbs In Lobster Bisque?
While this keto Lobster Bisque tastes incredibly indulgent, it is actually quite a low carb recipe. It has only 7 net carbs per serving. And it is also low calorie, so you can eat without the guilt.
What Makes A Soup A Bisque?
A bisque and a chowder are both like thick, creamy versions of soups. A chowder is typically chunky, whereas a bisque is a smoother, creamier version.
While they don't have to be seafood-based, most chowders and bisques are made using seafood as the star ingredient. Soups like corn chowder, or chicken chowder have been created based on a seafood chowder recipe.
What Does Lobster Bisque Taste Like?
Lobster bisque is creamy, filling soup that will leave you completely satisfied. It has an intense seafood flavor but is delightfully creamy with a tomato (and in this case cauliflower) base.
What Is Lobster Bisque Made Of?
Remember that this is a low-carb Lobster Bisque, so the list of ingredients you see below might not be what you expect. Let me assure you that altering the traditional ingredients doesn't change the fact that this is a delicious recipe.
- Ghee
- Onion
- Garlic
- Minced Ginger
- Campari Tomato
- Cauliflower
- Chicken Stock
- pesto
- Frozen langoustine or lobster
- Kosher Salt
- Ground Black Pepper
How To Make Keto Lobster Bisque?
- Sauté onions, garlic, and ginger until browned (I used ghee, you can use a fat of choice or spray with a non-stick spray).
- Pour in chicken broth and dump everything except frozen langoustine or lobster.
- Season with salt and pepper. Cook until veggies are tender.
- Purée vegetables until smooth.
- Put in langoustines or lobster and cook over slow heat until cooked through and serve.
- If you need full-liquids, just purée after you add the lobster or langoustines.
How Do You Thicken Lobster Bisque?
I wanted to keep the calories low on this Keto Lobster Bisque, so I used cauliflower to add the creaminess that you'd traditionally get with a more calorie-dense cream.
What I loved about this recipe was that I was able to use a variety of vegetables to add flavor and thickness to it. So, not only did it have a lot of flavor, it was also low-calorie and filling. Did I mention tasty? This Lobster Bisque recipe is rich, creamy, and flavorful.
What Do You Serve With Lobster Bisque?
This soup is so filling you really won't need to serve a side with it. But for people not eating low carb, or if you're trying to stretch this bisque for a larger crowd, you may want to add more to the table. Here are a few suggestions:
- A potato side dish
- A side salad
- Fresh or steamed veggies
- A warm loaf of bread
Want Some More Delicious Seafood Recipes?
- Creamed Corn Chowder
- Instant Pot Clam Chowder with Shrimp
- Pressure Cooker Crab Quiche
- Brazilian Moqueca
- Patra Ni Machhi
- Shrimp and Sausage Boil
- Instant Pot Salmon with Orange Ginger Glaze
- Thai Green Curry Mussels
- Air Fryer Shrimp Scampi

I can wait for you to try this Lobster Bisque. It's the perfect low carb meal on a chilly day, and I fall in love with it a little more each time I make it.
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Ingredients
- 2 teaspoons Ghee
- 1/2 Onion, thinly sliced
- 3 cloves Garlic, crushed
- 1 inch Minced Ginger, thinly sliced and julienned
- 1 Campari tomato
- 1/2 head Cauliflower
- 3 cups Chicken Stock
- 2 tablespoons pesto
- 1/2 pound frozen langoustine or lobster
- Kosher Salt
- Ground Black Pepper
Instructions
- Sauté onions, garlic and ginger until browned (I used ghee, you can use fat of choice or spray w Pam). Pour in chicken broth and dump everything except frozen langoustine
- Season with salt and pepper. Cook until veggies are tender.
- Purée vegetables until smooth.
- Put in langoustines and cook over slow heat until cooked through and serve
- If you need full-liquids, just purée after you add the lobster or langoustines.
- You can use an immersion blender, or a regular blender to puree the soup to desired consistency.
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Nutrition
Don't forget to check out my other Keto cookbooks.
Keto Instant Pot, Keto Fat Bombs, Sweets, & Treats, and Easy keto in 30 minutes.
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Would you happen to have a lobster bisque recipe without cauliflower. It just doesn't sit right with me.