Cauliflower Soup with Hazelnuts and Bacon

A creamy and luxurious cauliflower soup garnished with crispy bacon and toasted hazelnuts. This comforting dish combines roasted cauliflower with fennel and aromatics in a rich broth, finished with heavy cream for ultimate smoothness.

6 servings
1 hr 54 min

Ingredients

  • ½ cup blanched hazelnuts
  • 1 head cauliflower
  • 2 tablespoons extra-virgin olive oil
  • to taste Kosher salt and pepper
  • 4 slices thick-cut bacon
  • 1 bulb fennel
  • 1 small onion
  • 1 clove garlic
  • cup dry white wine
  • 6 cups low-sodium chicken broth
  • ¾ cup heavy cream
  • 2 leaves bay leaves

Cooking Instructions

  1. 1.

    Preheat oven to 350°F. Toast hazelnuts on a rimmed baking sheet, tossing occasionally, until golden brown, 10-12 minutes. Let cool, then coarsely chop.

    12 min

  2. 2.

    While the nuts are cooling, increase oven to 400°F. Toss cauliflower and 2 Tbsp. oil on another baking sheet; season with salt and pepper. Roast, tossing once, until florets are browned all over and tender, 30-35 minutes.

    35 min

  3. 3.

    Meanwhile, cut bacon crosswise into 1/2" pieces. Heat a heavy pot over medium and cook bacon, stirring occasionally, until browned and crisp, 10-12 minutes. Transfer to paper towels.

    12 min

  4. 4.

    Cook fennel, onion, and garlic in drippings in pot, stirring occasionally, until onion and fennel are very soft, 8-10 minutes. Add wine and cook until mostly evaporated, about 5 minutes. Add roasted cauliflower, broth, cream, and bay leaves; season with salt and pepper. Bring to a boil, reduce heat, and simmer until cauliflower is very tender, 20-25 minutes. Pluck out bay leaves; discard. Let mixture cool slightly.

    40 min

  5. 5.

    Working in batches, purée cauliflower mixture until very smooth. Strain back into pot; season with salt and pepper.

    10 min

  6. 6.

    Just before serving, ladle soup into bowls; top with bacon and nuts and drizzle with oil.

    5 min

  7. 7.

    Soup can be made 3 days ahead. Let cool; cover and chill soup and bacon separately.