For one serving, gather:
- 1/2 cup grape juice
- 1/4 cup lemon-lime soda
- 10 purple grape jellybeans
- 1/4 cup vanilla ice cream
- Ice cubes
- Purple sanding sugar for rim
- Lemon wedge for rimming glass
- Grape jellybeans and a small paper umbrella for garnish
Use fresh ingredients for the best flavor.