1/2 c. sugar
2 lbs. seedless red grapes, stems removed (or 3 c. grape juice)
1/2 c. blackberry soda
2 tbsp. lemon juice
1 1/2 tsp. grated lemon peel
1 c. chilled lemon-lime soft drink

In a small saucepan, dissolve sugar in 1/4 cup of water. Bring to boiling. Stir and boil for 1 minute. Cool to room temperature.

Puree grapes in a food processor. Pass puree through food mill or straining set over large bowl. There should be 3 cups of puree (or use 2 cups of grape juice instead).

Stir in blackberry soda, lemon juice, lemon peel and sugar syrup. Refrigerate until very cold. Stir in lemon-lime soft drink.

Pour into freezer container of ice cream maker. Freeze according to manufacturer's instructions, until firm and slushy. Makes 8 servings.