Fish Fry Salad

5 oz strawberry Jell-o
1 c boiling water
15 oz crushed pineapple-drained
2 bananas-mashed
11 oz mandarin oranges-drain & halve
10 oz frozen sliced strawberries-don't thaw
1-1/2 c sour cream

Put all of the fruit in a 13x9 dish. Dissolve jell-o in hot water, then pour over fruit and let gel. Smooth on sour cream. Cover and chill up to serving time.