Keto Tomato Soup

a spoon spoons up a spoonful of low carb tomato soup

4.9 from 16 reviews

This recipe for Keto copycat Campbell’s tomato soup is the ultimate comfort food, but with only 86 calories and 4g net carbs.


Units Scale
  • 1 tablespoon olive oil
  • 1/2 cup onions, diced
  • 1 pound unpeeled tomatoes, diced
  • 4 cups vegetable broth
  • 3 tablespoons tomato paste
  • 3 tablespoons Swerve Granular
  • 1 1/2 teaspoons salt
  • 1/4 teaspoon black pepper
  • 1/4 cup heavy whipping cream


Step 1.  Heat olive oil in a dutch oven or soup pot over medium heat.

Step 2.  Add onions and cook until softened, 5 minutes.

Step  3.  Add broth, tomatoes, tomato paste, sweetener, salt, and pepper to the pan and bring to a low boil.  Lower the heat and simmer for 30 minutes.

Step 4.  Add soup to a blender and blend until smooth.

Step 5.  Return to the pan, add cream, and mix well.


Keywords: Keto Tomato Soup, Low Carb Tomato Soup, Low-Calorie Tomato Soup