Halloween Slush

1 package lime gelatin
1 cup sugar
7-Up or ginger ale
4 cups boiling water
3 cups pineapple juice

Mix all ingredients together except 7-Up. Place in container and freeze 4 to 5 hours.

Remove from freezer when mixture is slushy. Fill glasses 1/2 full of slush. Fill remainder of glass with 7-Up.

This can also be used in punch bowl. Place all slush into a 12-inch serving bowl and add 2 quarts 7-Up or ginger ale.