Julie's Jello Salad

From Julie Shaw.

Ingredients
1 large banana, smashed
1 small package raspberry jello
1 cup boiling water
1 package frozen raspberries in heavy syrup
1 8 oz. can crushed pineapple
1 can mandarin oranges, drained
1 cup sour cream

Instructions

1. Mix boiling water & jello until dissolved.
2. Add remaining ingredients, except sour cream.
3. Refrigerate 1/2 the jello mix until set.
4. Spread sour cream on the set jello.
5. Pour still liquid jello on top, let set.