Makes about 1 1/2 quarts.

INGREDIENTS

  • 3/4 cup sugar
  • 1 tablespoon cornstarch
  • 2 large egg yolks
  • 1 large whole egg
  • 2 cups milk
  • 3 tablespoons dark rum
  • 1 teaspoon vanilla
  • 1 cup well-chilled heavy cream
  • 5 bananas (about 1 1/2 pounds)

    DIRECTIONS

    In a bowl whisk together the sugar, the cornstarch, the yolks, and the whole eggs and add the milk, scalded, in a stream, whisking. In a heavy saucepan bring the mixture to a boil over moderate heat, whisking, and boil it, whisking, for 1 minute. Add the rum, boil the custard for 1 minute more, and strain it through a fine sieve into a metal bowl set in a larger bowl of ice and cold water. Chill the custard until it is cold and stir in the vanilla and the cream. In a food processor purée the bananas, stir the purée into the custard , and chill the mixture until it is cold. Freeze the mixture in an ice cream freezer according to the manufacturer’s instructions.