Topping For Jello - cooking recipe

Ingredients

2 Tbsp. flour
1/2 c. sugar
2 Tbsp. butter
1 egg
1 c. pineapple juice
1 c. Cool Whip

Preparation

Cook flour, sugar, egg and pineapple juice until thick.
Add butter; cool.
Fold in Cool Whip.
Pour over jello.