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Keto Reuben Soup Recipe – Low-Carb Soup Ideas for Keto

Keto Reuben Soup

This Keto Reuben Soup brings all the comforting flavors of a classic deli sandwich into a creamy, low-carb bowl. It’s tangy, cheesy, and satisfying—perfect for cozy evenings or weekly meal prep.
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Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Servings: 4 bowls
Course: Soup
Cuisine: American, Keto
Calories: 430
Ingredients Equipment Method Notes

Ingredients
  

Main Ingredients
  • 2 tbsp butter
  • 1 onion diced
  • 2 cloves garlic minced
  • 2 cups corned beef chopped
  • 1 cup sauerkraut well-drained
  • 4 cups beef broth
  • 1 cup heavy cream
  • 1.5 cups Swiss cheese shredded
  • 1 tsp Dijon mustard
  • 1/2 tsp paprika
  • 1/4 tsp black pepper or to taste
  • 1/4 tsp caraway seeds optional, for Reuben flavor

Equipment

  • Large Pot
  • Cutting Board
  • Knife
  • Wooden Spoon

Method
 

  1. Melt butter in a large pot over medium heat. Add diced onion and garlic, sauté until fragrant and softened.
  2. Add chopped corned beef and sauerkraut. Stir and cook for 2–3 minutes to heat through.
  3. Pour in beef broth and bring to a simmer. Let it simmer gently for 5–7 minutes.
  4. Reduce heat to low. Stir in heavy cream and Swiss cheese until fully melted and smooth.
  5. Add Dijon mustard, paprika, pepper, and caraway seeds (if using). Taste and adjust seasoning as needed.
  6. Simmer for another 5 minutes, then serve hot with a garnish of cheese or sour cream if desired.

Notes

To mellow the tanginess, stir in a teaspoon of cream cheese. This soup stores well in the fridge and freezer—perfect for meal prep.