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Creamy Roasted Cauliflower Soup with Roasted Garlic

A white bowl filled with creamy roasted cauliflower soup, topped with charred cauliflower florets and fresh dill.
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This recipe creates a velvety, comforting roasted cauliflower soup. Roasting the cauliflower and garlic deepens the flavor, resulting in a rich, satisfying meal perfect for a cozy dinner.

Ingredients

Scale
  • 1 large head cauliflower, cut into florets
  • 1 whole head garlic, top sliced off
  • 2 tablespoons olive oil, divided
  • 1 medium yellow onion, chopped
  • 4 cups vegetable broth
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • Pinch of nutmeg
  • 1/4 cup heavy cream (optional, for extra richness)
  • Fresh dill, for garnish

Instructions

  1. Preheat your oven to 400 degrees Fahrenheit (200 degrees Celsius).
  2. Toss the cauliflower florets with 1 tablespoon of olive oil, salt, and pepper on a baking sheet. Place the whole garlic head, cut-side up, on the same sheet and drizzle with the remaining 1 tablespoon of olive oil.
  3. Roast for 25 to 30 minutes, or until the cauliflower is tender and lightly browned at the edges.
  4. While the vegetables roast, heat a large pot or Dutch oven over medium heat. Add the chopped onion and cook until soft, about 5 minutes.
  5. Squeeze the soft, roasted garlic pulp from the head into the pot with the onions. Stir to combine.
  6. Add the roasted cauliflower florets and vegetable broth to the pot. Bring the mixture to a simmer.
  7. Reduce the heat to low, cover, and cook for 10 minutes to allow the flavors to meld.
  8. Carefully transfer the soup mixture to a blender (or use an immersion blender directly in the pot). Blend until completely smooth and velvety.
  9. Return the soup to the pot if necessary. Stir in the pinch of nutmeg and the heavy cream, if using. Heat through gently but do not boil.
  10. Taste and adjust salt and pepper as needed. Serve hot, garnished with fresh dill.

Notes

  • For a vegan version, omit the heavy cream and use full-fat coconut milk or cashew cream for texture.
  • If you want a sharper flavor, substitute Parmesan cheese for the heavy cream.
  • Roasting the vegetables is key to achieving the best flavor for this healthy cauliflower soup.

Nutrition

Find it online: https://www.unfoldrecipes.com/roasted-cauliflower-soup/