Ingredients

  • 4 large egg yolks
  • 1/2 cup sugar
  • 1/4 cup coarsely grated peeled fresh gingerroot
  • 2 tablespoons water
  • 2 cups half-and-half
  • 1 cup heavy cream
  • 1 teaspoon vanilla
  • 1/2 cup crystallized ginger*
  • *available at some supermarkets and specialty foods shops.

Method

  • In a large bowl lightly whisk yolks.
  • In a 3-quart heavy saucepan cook sugar, fresh gingerroot, and water over moderate heat, stirring occasionally, 5 minutes.
  • Add half-and-half and bring to a simmer.
  • Add hot half-and-half mixture to yolks in a slow stream, whisking, and pour into pan.
  • Cook custard over moderately low heat, stirring constantly, until a thermometer registers 170F.
  • (Do not let boil.)
  • Pour custard through a sieve into cleaned bowl and stir in cream and vanilla.
  • Cool custard.
  • Chill custard, its surface covered with plastic wrap, until cold, at least 3 hours, and up to 1 day.
  • Finely chop crystallized ginger.
  • Freeze custard in an ice-cream maker, adding crystallized ginger three fourths of way through freezing process.
  • Transfer ice cream to an airtight container and put in freezer to harden.
  • Ice cream may be made 1 week ahead.