2 cups sugar

1 can pineapple juice, large can

2 quart cranberry juice

Stir sugar into boiling water. Let cool. Add other liquids and freeze. Remove from freezer 1/2 hour before serving.

Scoop out slush into punch bowl. When bowl is 1/2 full, slowly add lemon-lime soda (1 gallon maximum). Slush mixture with back of spoon before serving.

This can also be done on a per-serving basis. Put frozen mixture in a glass, and add soda. Stir.