6 bananas
12 oz. frozen orange juice concentrate
48 oz. pineapple juice
6 c. water
3 c. sugar

Put the 6 bananas and the orange concentrate in a blender until smooth. Boil the water and the sugar in a saucepan and then simmer just until the sugar dissolves. Mix all of the ingredients in an ice cream bucket and freeze. Scoop the slush into glasses and add 7-Up.