Ingredients
* 1/2 cup light corn syrup
* Green paste food coloring
* 5 cups pineapple juice
* 2 cups white grape juice
* 2 drops yellow food coloring, optional
* 1 cup club soda, chilled
* Fresh pineapple slices, optional
Directions
* Refrigerate 10 champagne flutes or cocktail glasses until chilled. In a small bowl, combine corn syrup and green food coloring; dip rims of chilled glasses into mixture. Turn glasses upright, allowing mixture to slightly run down sides of glasses. Freeze until firm.
* In a pitcher, combine the pineapple juice, grape juice and yellow food coloring if desired. Refrigerate until chilled.