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+ servings
5 from 9 votes
ladle spooning out slow cooker cauliflower soup

Slow Cooker Creamy Cauliflower Soup

7 7 6
WW Freestyle: 7
Prep Time20 mins
Cook Time7 hrs
Total Time7 hrs 30 mins
A rich and hearty blended soup filled with cauliflower, potato, cheddar cheese, and cream, and seasoned with rosemary and thyme.
Course: Side Dish, Soup
Cuisine: American
Servings: 10
Calories: 219


  • Slow Cooker


  • 1.5 pounds fresh or frozen cauliflower florets
  • 1 pound baby potatoes or russet potatoes, cut into 1-inch cubes (may substitute turnips for a lower carb option)
  • 1 yellow onion, chopped
  • 6 cups low sodium vegetable broth or chicken broth
  • 1 teaspoon garlic powder
  • ½ teaspoon onion powder
  • ½ teaspoon dried thyme
  • ½ teaspoon dried rosemary
  • ½ teaspoon sweet or smoked paprika
  • ¼ teaspoon chili powder, or to taste
  • teaspoon ground nutmeg
  • 1 cup heavy cream, Half & Half will also work, as well as evaporated milk
  • 1 tablespoon butter
  • ½ teaspoon salt, or to taste
  • Freshly ground black pepper, to taste
  • 1 cup shredded cheddar cheese, for garnish
  • Chopped fresh green onions, for garnish
  • Chopped fresh parsley, for garnish


  • To the insert of your slow cooker add cauliflower florets, cubed potatoes, onions, broth, garlic powder, onion powder, thyme, rosemary, paprika, chili powder, and nutmeg; stir to combine.
  • Cover and cook on LOW for 7 to 8 hours, or on HIGH for 4 hours.
  • Remove cover; pour soup into a blender or a food processor in batches, and blend until smooth. You can also use an immersion blender.
  • Return blended soup to the slow cooker and stir in heavy cream, butter, salt, and pepper; stir until well blended. Taste for seasonings and adjust accordingly.
  • Ladle soup into bowls and top with shredded cheddar cheese, green onions, and parsley.
  • Serve.


NET CARBS: 12 g 
  • If using turnips in place of potatoes, Net Carbs drop down to 8 grams per serving.
Nutrition Facts
Slow Cooker Creamy Cauliflower Soup
Amount Per Serving
Calories 219 Calories from Fat 135
% Daily Value*
Fat 15g23%
Saturated Fat 9g45%
Cholesterol 47mg16%
Sodium 273mg11%
Potassium 565mg16%
Carbohydrates 15g5%
Fiber 3g12%
Sugar 2g2%
Protein 9g18%
Vitamin A 562IU11%
Vitamin C 43mg52%
Calcium 126mg13%
Iron 1mg6%
* Percent Daily Values are based on a 2000 calorie diet.
Keywords: cauliflower soup recipe, easy cauliflower recipe, potato soup recipe, soup recipes, vegetarian dinners