Pineapple Frosting - cooking recipe

Ingredients

1 box yellow cake mix, prepared as directed on box
1 large can and 1 small can crushed pineapple
1 1/2 c. sugar
3 Tbsp. flour
2 egg whites

Preparation

Pour pineapple into saucepan.
Add sugar and flour; cook at low heat until thickened.
Mix in beaten egg whites.
Spread on cake layer.