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Creamy Roasted Cauliflower Soup with Roasted Garlic

A close-up of a white bowl filled with thick, creamy roasted cauliflower soup, sitting on a wooden surface.

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Make this comforting, velvety roasted cauliflower soup for an easy dinner. Roasting the cauliflower and garlic adds deep, rich flavor to this simple, satisfying meal.

Ingredients

Scale
  • 1 large head cauliflower, cut into florets
  • 1 whole head garlic
  • 2 tablespoons olive oil
  • 1 medium yellow onion, chopped
  • 4 cups vegetable broth
  • 1/2 cup heavy cream (or unsweetened plant milk for vegan)
  • 1/4 teaspoon ground nutmeg
  • Salt and black pepper to taste

Instructions

  1. Preheat your oven to 400 degrees F (200 degrees C). Toss the cauliflower florets and the whole head of garlic (top sliced off to expose cloves) with olive oil, salt, and pepper on a baking sheet.
  2. Roast for 25 to 30 minutes, or until the cauliflower is tender and slightly browned at the edges. Squeeze the roasted garlic cloves out of their skins into a small bowl once cool enough to handle.
  3. In a large pot or Dutch oven, sauté the chopped onion over medium heat until soft, about 5 minutes.
  4. Add the roasted cauliflower, roasted garlic, and vegetable broth to the pot. Bring the mixture to a simmer.
  5. Cook for 10 minutes to allow flavors to combine.
  6. Carefully transfer the soup mixture to a blender (or use an immersion blender directly in the pot). Blend until completely smooth and velvety.
  7. Return the soup to the pot. Stir in the heavy cream and nutmeg. Heat through gently, but do not boil.
  8. Taste and adjust seasoning with salt and pepper before serving.

Notes

  • For a vegan option, substitute heavy cream with full-fat unsweetened coconut milk or cashew cream.
  • Add 1/2 teaspoon of cumin or turmeric with the onions for added warmth, as many home cooks enjoy these spices.
  • If you prefer a thinner soup, add more vegetable broth until you reach your desired consistency.

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