4 (10-ounce) packages frozen raspberries in syrup, partially thawed
4 cups half-and-half
3 cups granulated sugar
1 cup milk
1 1/2 tablespoons grated lemon rind
1/4 cup fresh lemon juice
1 1/2 teaspoons vanilla extract
Combine all ingredients in a large bowl; stir until sugar dissolves.
Pour mixture into freezer container of a 5-quart hand-turned or electric freezer. Freeze according to manufacturer’s instructions. Pack freezer with addition ice and salt and let stand 1 hour before serving.
Makes 1 gallon.