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Creamy Roasted Cauliflower Soup

Roasting cauliflower before turning it into soup gives it a nutty, caramelized flavor that you don't get from just boiling it. This recipe is creamy without using any cream; the texture comes from the blended cauliflower itself.
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Prep Time: 15 minutes
Cook Time: 50 minutes
Total Time: 1 hour 5 minutes

Ingredients

  • 1 large head of cauliflower ~3 lbs
  • 3 tablespoons extra-virgin olive oil
  • 1 tablespoon unsalted butter
  • 1 large red onion chopped
  • 3 cloves garlic minced
  • 6 cups vegetable broth low-sodium
  • 1 1/2 tablespoons fresh lemon juice
  • 1/2 teaspoon grated nutmeg
  • Diamond Crystal kosher salt to taste
  • Freshly ground black pepper for garnish
  • Fresh thyme for garnish

Instructions

  • Preheat oven to 425F and line baking sheet with parchment paper.
  • Cut cauliflower into even-sized florets and toss with olive oil and salt on baking sheet.
  • Roast cauliflower for 30 minutes, tossing halfway, until golden brown and tender.
  • Meanwhile, melt butter in large pot over medium heat and cook onion until translucent, 4-5 minutes.
  • Add garlic and cook 1 minute more.
  • Add vegetable broth to pot.
  • Reserve some roasted florets for garnish, add remaining cauliflower to pot.
  • Simmer soup for 20 minutes until cauliflower is very tender.
  • Blend soup until smooth with immersion blender.
  • Stir in lemon juice and nutmeg, season with salt to taste.
  • Serve garnished with reserved cauliflower, black pepper, and thyme.

Notes

For best roasting results, ensure cauliflower florets are spread in a single layer, using two baking sheets if needed.
Tried this recipe?Leave a comment below & let me know!