Pineapple Cake - cooking recipe

Ingredients

yellow cake mix (bake as directed)
2 eggs, beaten
1 small Pet milk
1 1/2 c. sugar
2 Tbsp. flour
1 can crushed pineapple, drained
butter (about the size of an egg)

Preparation

Cook in double boiler.
Stir constantly until thick.
Spread on cake layers.