Creamy Leek Soup

A luxurious and velvety soup featuring tender leeks, vegetables, and herbs simmered in wine and stock, finished with a rich roux and topped with whipped cream. This classic French-inspired soup combines the delicate flavor of leeks with aromatic vegetables and fresh parsley.

6 servings
1 hr 3 min

Ingredients

  • 8 whole leeks
  • 1 whole onion
  • 1 whole carrot
  • 2 ribs celery
  • 1 teaspoon salt
  • ½ teaspoon black pepper
  • 1 stick unsalted butter
  • 1 whole potato
  • ½ cup dry white wine
  • 3 cups chicken stock
  • 3 cups water
  • 1 leaf bay leaf
  • cups parsley
  • ¼ cup all-purpose flour
  • ½ cup heavy cream

Cooking Instructions

  1. 1.

    Wash sliced leeks in a large bowl of cold water, agitating them, then lift out and drain well in a colander.

    10 min

  2. 2.

    Cook leeks, onion, carrot, celery, salt, and pepper in 4 tablespoons butter in a 5- to 6-quart heavy pot over moderate heat, stirring occasionally, until softened, about 8 minutes. Peel potato and cut into 1/2-inch cubes, then add to onion mixture along with wine, stock, water, and bay leaf. Bring to a boil, then reduce heat and simmer, partially covered, until vegetables are tender, about 15 minutes.

    25 min

  3. 3.

    Stir in parsley and simmer soup, uncovered, 5 minutes. Discard bay leaf and keep soup at a bare simmer.

    5 min

  4. 4.

    Melt remaining 4 tablespoons butter in a 1-quart heavy saucepan over moderate heat, then add flour and cook roux, whisking, until golden, about 3 minutes. Remove from heat and add 2 cups simmering stock (from soup), whisking vigorously (mixture will be thick), then whisk mixture into remaining soup and return to a simmer, whisking.

    8 min

  5. 5.

    Blend soup in 4 batches in a blender until smooth (use caution when blending hot liquids), about 1 minute per batch, transferring to a 3- to 4-quart saucepan. Reheat if necessary, then season with salt and pepper.

    10 min

  6. 6.

    Beat cream in a bowl with an electric mixer at medium speed until it almost forms soft peaks. Serve soup topped with cream.

    5 min

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