Ingredients

  • 2 slices bacon
  • 1/2 medium onion, chopped fine (about 1/2 cup)
  • white and pale green parts of 1 large leek, chopped fine and washed well (about 1 cup)
  • 1 large garlic clove, minced
  • 1/2 bay leaf
  • 1 1/4 pounds butternut squash, seeded, peeled, and cut into 1-inch pieces (about 3 cups)
  • 1 medium Granny Smith or other tart apple
  • 2 cups low-salt chicken broth
  • 1/2 cup water plus additional for thinning soup
  • 2 tablespoons sour cream or creme fraiche
  • Sour cream or creme fraiche
  • chopped unpeeled apple

Method

  • In a skillet cook bacon until crisp and drain, reserving 1 1/2 tablespoons fat.
  • Crumble bacon.
  • In a heavy saucepan cook onion, leek, garlic, and bay leaf with salt and pepper to taste in reserved fat over moderate heat, stirring, until softened.
  • Add squash, apple, peeled and chopped, broth, and 1/2 cup water.
  • Simmer mixture, covered, until squash is very tender, about 15 minutes, and discard bay leaf.
  • In a blender puree mixture in batches, transferring as pureed to a clean saucepan, and add enough additional water to thin soup to desired consistency.
  • Whisk in sour cream or creme fraiche and salt and pepper to taste and heat soup over moderately low heat until hot (do not boil).
  • Serve soup topped with crumbled bacon and accompaniments.