¼ cup lemon juice
Stir fruit juice with sugar until the sugar is dissolved. Freeze.
Grape Juice Frappé
1½ cups sugar
3¼ cups water
¾ cup white corn syrup
3 tbs. pectin
6 tbs. lemon juice
1½ cups grape juice
Combine sugar, 1 cup water, syrup, and pectin and cook to boiling. Remove from fire, add lemon juice, grape juice, and 2¼ cups water. Cool and freeze.