Frosted Jello Salad

1 6oz lemon jello pkg
2 c boiling water
12 oz 7-up
4 bananas, cubed
2 cans crushed pineapple, drained
2 c mini marshmallows

Dissolve jello in boiling water. Add pineapple. Let cool. Add 7-up. Add marshmallows and bananas. Let set.

Topping
Cook 1 egg, 2 Tbsp flour, 2Tbsp butter, 1/2 c sugar, 1/2 c pineapple juice until slightly thick. Cool. Whip 1 c cream and fold in with cooked mixture. Spread on salad and sprinkle with nuts.