Roasted Cauliflower Soup

User Reviews

4.9

56 reviews
Excellent
  • Prep Time

    5 mins

  • Cook Time

    40 mins

  • Total Time

    45 mins

  • Servings

    6 SERVINGS

  • Calories

    158 kcal

  • Course

    Soup

  • Cuisine

    American

Roasted Cauliflower Soup

Roasted Cauliflower Soup blends deep, caramelized cauliflower with garlic, simmered in a chicken broth base and thickened into a creamy texture. Enhanced by butter, flour, and warming spices like thyme, nutmeg, and optional cayenne, the soup offers a rich, smooth, and comforting flavor profile. Roasting the cauliflower and garlic brings out a savory depth that forms the foundation of the soup.

Description

In this Roasted Cauliflower Soup, chopped cauliflower and whole garlic cloves are roasted until golden brown, developing caramelized notes and soft texture. The roasted vegetables are combined with a roux made of butter and flour, then simmered in chicken broth with onion powder, thyme, nutmeg, and optional cayenne for gentle heat and aromatic nuances. The mixture is blended until smooth, resulting in a creamy, velvety soup with subtle spices enhancing the roasted vegetable flavor.

The soup’s warm and earthy character makes it suitable as a starter or a light meal. The roasting step adds depth beyond simple boiled cauliflower soups, while blending ensures a smooth consistency. It pairs well with crusty bread or a light salad to balance the dish.

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Ingredients

Servings
  • 1 head cauliflower chopped, approx. 6 cups
  • 4 cloves garlic peeled
  • 3 tablespoons olive oil
  • 1 teaspoon salt
  • ½ teaspoon black pepper
  • 2 tablespoons butter
  • 2 tablespoons all-purpose flour
  • 4 cups chicken broth reduced sodium
  • ½ teaspoon onion powder
  • ½ teaspoon thyme dried leaves
  • ¼ teaspoon ground nutmeg
  • ¼ teaspoon cayenne pepper optional

Instructions

  1. Preheat oven to 450°F. Line a baking tray with foil and lightly spray with nonstick cooking spray.
  2. Add cauliflower and whole garlic cloves to baking tray. Drizzle evenly with oil, salt and pepper. Toss until evenly coated, then spread out into a single layer.
  3. Roast at 450°F for 30-35 minutes, until golden brown and tender. Stir cauliflower once half way through cooking then spread back into an even layer.
  4. Melt the butter in a Dutch oven or soup pot over medium heat. Sprinkle in flour and cook for 2 minutes. Reduce heat to low and slowly whisk in chicken broth, onion powder, thyme, nutmeg and cayenne pepper. Add cauliflower and garlic and bring to a boil, whisking constantly, then reduce to a simmer for 5 minutes or until thickened.
  5. Puree with an immersion blender or working in batches, puree in blender, taking care to let smoke escape or it will explode (I leave a corner open and cover with a paper towel).
  6. Pour creamy blender contents back into pot. Season with salt and pepper to taste. For a thinner soup, stir in additional chicken broth or milk to reach desired consistency.

Nutrition Information

Show Details
Calories 158 (8%) Carbohydrates 9g (3%) Protein 5g (10%) Fat 12g (18%) Saturated Fat 3g (15%) Cholesterol 10mg (3%) Sodium 497mg (21%) Potassium 429mg (9%) Fiber 2g (8%) Sugar 2g (4%) Vitamin A 150IU (3%) Vitamin C 46.8mg (52%) Calcium 31mg (3%) Iron 1mg (6%)

Nutrition Facts

Serving: 6SERVINGS

Amount Per Serving

Calories 158 kcal

% Daily Value*

Calories 158 8%
Carbohydrates 9g 3%
Protein 5g 10%
Fat 12g 18%
Saturated Fat 3g 15%
Cholesterol 10mg 3%
Sodium 497mg 21%
Potassium 429mg 9%
Fiber 2g 8%
Sugar 2g 4%
Vitamin A 150IU 3%
Vitamin C 46.8mg 52%
Calcium 31mg 3%
Iron 1mg 6%

* Percent Daily Values are based on a 2,000 calorie diet.

Genuine Reviews

User Reviews

Overall Rating

4.9

56 reviews
Excellent

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