1 cup water
1 cup superfine sugar
1 3/4 cups fresh pink grapefruit juice
1/4 cup Grand Marnier or other orange-flavored liqueur
Orange peel for garnish (optional)
Combine water and sugar in a saucepan; bring to a boil. Reduce heat, simmer 10 minutes or until sugar dissolves; cool.
Combine sugar syrup, grapefruit juice, and liqueur. Pour into freezer container of a 2-quart hand-turned or electric freezer. Freeze according to manufacturer’s instructions until thickened (mixture will not freeze firm).
Spoon into an 11 x 7 x 1 1/2-inch dish; cover and freeze until firm.
To serve, spoon into dessert dishes. Garnish with orange peel, if desired.
Makes 4 cups.