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close up image of low carn and gluten-free Norwegian fish soup (fiskesuppe)
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5 from 3 votes

Norwegian Fish Soup Recipe (Fiskesuppe)

This fish soup recipe is a low carb and gluten-free adaptation of the classic Norwegian fiskesuppe, a one pot salmon chowder prepared in less than 30 minutes. It's perfect for those chilly, busy days!

Course:Main Course
Keywords:fish soup, fish soup recipe, fiskesuppe, Norwegian fish soup, salmon chowder
Prep Time 10 minutes
Cook Time 16 minutes
Servings 4 people
Calories538 kcal
Cost $ 4 per person


  • pot


  • 2 TBSP olive oil
  • 1 white or yellow onion small diced
  • 1 cup leek stalk (1 green leaf chopped and 1 cup white stalk sliced)
  • 4 garlic cloves minced
  • 4 cups fish broth or stock
  • 1 lb cauliflower frozen or fresh
  • salt and pepper to taste (about 1 and 1/2 teaspoon salt, and 1/2 teaspoon pepper)
  • 1/4 tsp cayenne pepper
  • 1 cup heavy cream
  • 1 lb salmon skinless and cut into chunks
  • 1 carrot peeled and cut into small chunks (skip if on a KETO diet)
  • 1 lemon juiced
  • 1-2 TBSP fresh dill or chives chopped


  • Heat a large pot over medium heat. Add oil and cook onion and leek for about 3-4 minutes. Then add garlic and cook for about 1 minute, stirring every now and then. Do not let brown! Transfer about half of the veggies to a blender cup; reserve.
  • Add broth and cauliflower to the pot and let cook over high heat for about 8-10 minutes or until tender. Transfer all the cauliflower and about 1 cup of the broth to the blender with salt, pepper, cayenne, and heavy cream. Blend with half of the reserved cooked veggies until smooth. Pour back into the pot.
  • Add the fish and carrots. Let cook over medium-high heat for about 5-6 minutes. Remove pot from the heat and stir in lemon juice. Garnish top of soup with fresh dill or chives.  Serve fish soup by itself or with a hard-crusted bread.  

Recipe Notes

Store leftovers in an airtight container in the fridge for up to 3 days. Freeze for up to 4 months. 


Calories: 538kcal | Carbohydrates: 21g | Protein: 32g | Fat: 38g | Saturated Fat: 16g | Cholesterol: 144mg | Sodium: 195mg | Potassium: 1321mg | Fiber: 4g | Sugar: 6g | Vitamin A: 3885IU | Vitamin C: 76mg | Calcium: 124mg | Iron: 3mg
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