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Easy and tasty Roasted Cauliflower Soup recipe | lecremedelacrumb.com

Roasted Cauliflower Soup

This tasty Roasted Cauliflower Soup features crispy browned cauliflower, butter-sauteed garlic, and extra sharp cheddar cheese for the ultimate flavor! The whole thing comes together in less than 40 minutes and will please the entire family. 
Course Soup
Cuisine American
Diet Vegetarian
Prep Time 10 minutes
Cook Time 35 minutes
0 minutes
Total Time 45 minutes
Servings 6 servings
Calories 730kcal
Author Tiffany


  • 2 heads of cauliflower chopped, about 6 cups of florets
  • 3 tablespoons oil
  • salt and pepper to taste
  • 4 tablespoons butter
  • 2 tablespoons minced garlic
  • cup flour
  • 6 cups chicken broth
  • 4 cups half and half I use fat free
  • 1 cup heavy cream
  • 2 teaspoons onion powder
  • 2 teaspoons salt or to taste
  • ½ teaspoon pepper or to taste
  • 2 cups shredded extra sharp cheddar cheese see note
  • 1 cup shredded parmesan cheese see note


  • Preheat oven to 450 degrees. Arrange cauliflower on a large baking sheet. Drizzle with oil, toss to coat, then season generously with salt and pepper. Cook in preheated oven for 15-20 minutes until browned. 
  • While cauliflower is roasting, melt butter in a large stock pot. Add garlic and saute 1-2 minutes until fragrant. Add flour and stir until combined. 
  • Gradually whisk in chicken broth, then add half and half and heavy cream. Stir in onion powder, salt, and pepper. 
  • Add cauliflower to the pot. Use an immersion blender (or regular blender, in batches) to blend to desired consistency. 
  • Stir in shredded cheeses until completely melted and incorporated into the soup. Taste, add salt and pepper if needed, and serve. 


Use freshly grated cheese, NOT pre-shredded as it does not melt as well as freshly shredded and will give the soup a gritty texture. 


Calories: 730kcal | Carbohydrates: 27g | Protein: 27g | Fat: 59g | Saturated Fat: 32g | Trans Fat: 1g | Cholesterol: 169mg | Sodium: 2274mg | Potassium: 1099mg | Fiber: 4g | Sugar: 5g | Vitamin A: 1698IU | Vitamin C: 112mg | Calcium: 729mg | Iron: 2mg