Ingredients

  • 1 1/2 cups chopped onion
  • 1 tablespoon unsalted butter
  • 6 cups shelled fresh or frozen peas
  • 5 cups low-salt chicken broth
  • 1 tablespoon chopped fresh mint leaves
  • Freshly ground white pepper
  • 2/3 cup well-shaken buttermilk
  • Toasted French bread, as an accompaniment

Method

  • In a saucepan cook onion in butter, covered, over moderate heat, stirring occasionally, 5 minutes, or until tender.
  • Add peas and broth and simmer, uncovered, 5 minutes, or until peas are tender.
  • Stir in mint.
  • In a blender puree soup until smooth and pour through a coarse sieve back into pan.
  • Heat soup over moderate heat until hot and remove pan from heat.
  • Add white pepper and salt, to taste, and stir in all but 4 teaspoons buttermilk.
  • Divide soup between 4 bowls and gently spoon remaining buttermilk onto each serving.