Ingredients

  • 1 large onion, peeled, quartered through root end
  • 2 2 1/2-inch-long pieces peeled fresh ginger
  • 4 large lemongrass stalks*
  • 1 4-pound chicken, quartered
  • 3 quarts water
  • 12 green onions, coarsely chopped
  • 1 teaspoon whole black peppercorns
  • 1 teaspoon (or more) coarse kosher salt
  • 1 cup chopped fresh cilantro
  • Matzo Balls

Method

  • Cook onion and ginger in medium skillet over high heat until charred, turning occasionally with tongs, about 10 minutes.
  • Transfer to work surface.
  • Cut ginger into thin rounds.
  • Cut 2 inches from bottom of each lemongrass stalk and quarter lengthwise (discard remainder of stalks).
  • Place chicken in large pot.
  • Add 3 quarts water; bring to boil.
  • Skim foam from surface.
  • Add green onions, peppercorns, and 1 teaspoon salt to pot.
  • Add charred onion, ginger, and lemongrass.
  • Reduce heat to medium-low.
  • Partially cover pot; simmer 1 hour.
  • Cool uncovered broth slightly.
  • Strain and return to same pot (reserve chicken for another use).
  • Spoon fat from surface of broth and reserve for matzo balls, if desired.
  • (Can be made 2 days ahead.
  • Chill soup and reserved fat until cold, then cover and keep chilled.)
  • Rewarm broth.
  • Add cilantro and season to taste with salt and pepper.
  • Place 2 warm matzo balls in each of 8 bowls.
  • Ladle broth over.
  • *Available at Asian markets and in the produce section of some supermarkets.