Sara Louise’s Keto Fish Stew Recipe

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Keto fish soups and keto fish stew are simply an awesome low carb soup recipe idea. Fish stew is ideal for those times you just want a quick, no fuss but filling keto seafood main meal. Seafood is often neglected on keto compared to other popular proteins such as chicken, pork and turkey. This stew is a beauty and easy to prepare.

While chicken, pork and turkey are proteins that make great low carb soups and stews they are not seafood. So if you are partial to a yummy keto fish stew you are in the right place. So let’s get out our fins and flippers and learn more about this tasty keto fish stew recipe. This keto fish stew recipe contains some intriguing spices and ingredients. Plus the recipe comes together in around 15-20 minutes cooking time. So easy yes.

Keto Fish Stew Options

You can use all different kinds of fish to make this low carb seafood stew. Recommended seafoods that I often use are halibut or sea bass. However there are many possibilities so see the recipe notes also. For my part I tend to whip up this keto fish stew recipe at least once per month. This fresh seafood stew recipe is a firm favourite in my household.


Making The Keto Fish Stew Recipe

Be aware that this delicious keto fish stew recipe comes together best in a pressure cooker or Instapot. If you do not have one of these amazing kitchen appliances to help with your recipes; such as this keto fish stew then you are really missing a trick or two. Check out my free guide to the best pressure cookers before you try this keto fish stew. There are lots of resources online dedicated to seafood pressure cooker recipes; so you can learn as you go really.

keto fish stew recipe

Sara Louise's Keto Fish Stew

Sara Louise
Tasty and healthy keto fish stew recipe
5 from 3 votes
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Course Soup
Cuisine American
Servings 8
Calories 256 kcal


  • 3 Pounds Skinless boneless sea bass or halibut according to preferences
  • 2 Tbs Paprika
  • 1 1/2 Tsps Tumeric
  • 2 Cups Cold water
  • 1/2 Cup Olive oil
  • 30 Pitted green olives
  • 3 Cups Diced tomatoes
  • 1 Head fennel sliced very thin
  • 2 Swiss chard red or green or one of each cut into 1 inch strips stems included
  • 10 Cloves Garlic finely minced


  • Place all of the keto fish stew ingredients in Instapot or your kitchen pressure cooker. Next just add the fish in and start mixing gently with a wooden spoon or ladle.
  • Then add in vegetables and spices, the olive oil and olives stirring the flavors all together at first until they combine nicely.
  • Cook the keto fish stew ingredients in the pressure cooker for 15-20 minutes or so.
  • Serve the keto fish stew hot garnished with cilantro on top to a warm bowl.
  • Tuck in and enjoy this low carb seafood stew, so tasty!


Choosing Your Type Fish for The Keto Stew
Also try using mahi, grouper or ocean perch, or whichever is available at your local fish market work equally well for this keto fish stew recipe. Bear in mind these fish are fairly thick and textured. As such are much less likely to fall apart when preparing than flounder or sole.
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Calories: 256kcalCarbohydrates: 6gProtein: 32gFat: 20gSaturated Fat: 3gCholesterol: 136mgSodium: 526mgPotassium: 841mgFiber: 3gSugar: 3gVitamin A: 1928IUVitamin C: 17mgCalcium: 94mgIron: 3mg

Did You Enjoy The Keto Fish Stew?

If this warming keto seafood soup ticked all your menu boxes let me know in the comments what you thought of the stew. Or if you happened to try changing the recipe in anyway? Since this fish stew is a very flexible recipe indeed. This seafood stew can also function as a lighter keto fish soup if you simply thin it out a little. Just vary according to personal taste when preparing the recipe.

Seafood lovers should rejoice since this low carb fish stew is one of the most flexible keto seafood recipes out there right now. Consider one of my other soups also such as this creamy turkey soup idea, so delicious and heart warming on a cold night or across those winter months.

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