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Silky Roasted Cauliflower Soup with Roasted Garlic

A close-up of creamy roasted cauliflower soup topped with a swirl of cream and spices in a white mug.
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Make a deeply flavorful and creamy soup by roasting cauliflower and garlic before blending. This recipe offers a naturally velvety texture.

Ingredients

Scale
  • 1 large head cauliflower, cut into florets
  • 4 cloves garlic, whole with skin
  • 2 tablespoons olive oil, divided
  • 1 medium yellow onion, chopped
  • 4 cups vegetable broth
  • 1/2 cup unsweetened oat milk or heavy cream (optional, for extra richness)
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper

Instructions

  1. Preheat your oven to 400°F (200°C).
  2. Toss the cauliflower florets with 1 tablespoon of olive oil, salt, and pepper on a baking sheet. Place the whole garlic cloves on the same sheet.
  3. Roast for 25 to 30 minutes, until the cauliflower is tender and lightly browned. Squeeze the roasted garlic pulp out of its skin once cool enough to handle.
  4. While the vegetables roast, heat the remaining 1 tablespoon of olive oil in a large pot or Dutch oven over medium heat. Add the chopped onion and cook until soft, about 5 minutes.
  5. Add the roasted cauliflower, roasted garlic pulp, and vegetable broth to the pot. Bring the mixture to a simmer.
  6. Reduce the heat to low, cover, and cook for 10 minutes to allow flavors to combine.
  7. Carefully transfer the soup mixture to a blender (or use an immersion blender directly in the pot). Blend until completely smooth and silky.
  8. Return the soup to the pot if necessary. Stir in the oat milk or cream, if using. Heat through gently; do not boil. Taste and adjust salt and pepper before serving.

Notes

  • For a richer flavor, roast the cauliflower until it has significant browning.
  • If you prefer a thicker soup, use less broth initially and add more until you reach your desired consistency.
  • This soup freezes well for future meals. Cool completely before transferring to airtight containers.

Nutrition

Find it online: https://sundayflavor.com/roasted-cauliflower-soup-recipe-silky/