Pineapple Cake Filling
["2 c. sugar", "1 large can crushed pineapple", "2 egg whites, beaten", "pinch of salt"]
["Drain pineapple.", "Save syrup.", "Mix sugar and syrup in saucepan and boil.", "Pour over egg whites.", "Mix pineapple and spread on favorite cake layers."]
["sugar", "pineapple", "egg whites", "salt"]