1 c. fresh lime juice
1 (6 oz.) can frozen pineapple juice
1 1/2 liters lemon lime soda
Lime slices
Pineapple sherbet
Lime sherbet
1 1/2 c. vodka, optional

Combine first 3 ingredients. Chill thoroughly. When ready to serve, top with assorted sherbet scoops and lime slices. Add vodka if desired.