Raspberry Slush - cooking recipe

Ingredients

1 (12 oz.) can pineapple juice
2 (6 oz.) cans frozen lemonade
6 oz. ReaLemon juice
3 small pkg. raspberry Kool-Aid
4 c. sugar
4 1/2 c. water
1 qt. vodka (optional)
7-Up

Preparation

Combine all ingredients except 7-Up and freeze.
To serve, fill tall glass half full of slush mixture and add 7-Up.