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Creamy Cauliflower Soup with Sage Brown Butter

Roasted cauliflower and caramelized onions pureed into a silky, comforting soup finished with crispy sage and nutty brown butter. Restaurant-quality depth in under 45 minutes.

Total time
40 min
Servings
4
Calories
328
Protein
8g
Creamy Cauliflower Soup with Sage Brown Butter
comfortwholesomeamericanvegetarianvegetariancreamysilkyweeknight

Ingredients

  • 1.5 lbs cauliflower, cut into florets
  • 1 medium yellow onion, halved
  • 3 whole garlic cloves
  • 4 cups vegetable broth
  • ½ cup heavy cream
  • 4 tbsp butter, divided
  • 8 whole fresh sage leaves
  • 2 tbsp olive oil
  • 1 to taste salt and pepper
  • ¼ tsp nutmeg

Instructions

  1. 1

    Heat oven to 425°F. Toss cauliflower florets with 1 tbsp olive oil, salt, and pepper on a sheet pan.

  2. 2

    Roast for 25 minutes, stirring halfway through, until edges are deep golden and stems are tender.

  3. 3

    Place onion halves and garlic cloves on a separate sheet, drizzle with 1 tbsp olive oil, and roast alongside cauliflower.

  4. 4

    Transfer roasted cauliflower, onion, and garlic to a large pot. Pour in vegetable broth and bring to a boil over high heat.

  5. 5

    Reduce to a simmer and cook uncovered for 8 minutes until vegetables are very soft and break apart easily.

  6. 6

    Blend soup with an immersion blender until completely smooth, working in batches if needed, ~2 minutes.

  7. 7

    Stir in heavy cream and 2 tbsp butter. Season with salt, pepper, and a pinch of nutmeg to taste.

  8. 8

    Melt remaining 2 tbsp butter in a small skillet over medium-high until it froths and smells nutty, ~3 minutes.

  9. 9

    Add sage leaves to the browned butter and cook until crispy and fragrant, about 60 seconds.

  10. 10

    Ladle soup into bowls and drizzle each with a spoonful of sage brown butter and crispy leaves.

Tools you’ll need

  • large sheet pans (2)
  • large pot
  • immersion blender
  • small skillet
  • ladle
  • wooden spoon

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