Raspberry Slush - cooking recipe

Ingredients

12 ounces frozen pineapple concentrate (partially thawed)
12 ounces frozen lemonade concentrate (partially thawed)
3/4 cup fresh lemon juice
3 (1 1/4 ounce) packages raspberry Kool-Aid
4 cups sugar
1 (10 ounce) package frozen raspberries
4 quarts water
1 quart vodka (optional)
4 liters ginger ale (white soda water)

Preparation

Mix all ingredients, except soda, and freeze in a plastic covered container overnight, stirring every few hours.
To serve, fill 8 to 10 oz. glass half full with slush and top with soda.