1 can pineapple juice
3 bananas, diced
2 c. sugar
1 large can crushed pineapple
3 c. water
1 (2 liter) 7-Up

Boil water and sugar until sugar is dissolved. When cooled, add pineapple juice, pineapple and bananas. Put in freezer for 1 or 2 hours before you want to use. Just before serving, add 2 liter 7-Up. This should be thick like a slush.