Lela'S Pineapple Cake Icing - cooking recipe

Ingredients

1 large (No. 2) can crushed pineapple
2 c. sugar
1/2 stick margarine
4 cake layers made by the 1-2-3-4 Cake recipe

Preparation

Mix pineapple and sugar and boil for 20 minutes.
Add margarine and boil 10 minutes more.
Remove from heat and put pan in a pan of cold water.
Cool, then beat until thickness to spread on cake.