6 ripe bananas
1 (12 oz.) can frozen orange juice concentrate, thawed
1 (6 oz.) can frozen lemonade concentrate, thawed
1 (46 oz.) can pineapple juice
3 c. water
1 c. sugar
2 (64 oz.) bottles lemon-lime carbonated beverage, chilled

Combine bananas and fruit juice concentrates in blender container; blend until smooth. Combine banana mixture, pineapple juice, water and sugar in a large mixing bowl; mix well. Pour into plastic freezer container; freeze. To serve, thaw until mushy; add carbonated beverage. Makes 6 quarts.