Pineapple Pie - cooking recipe

Ingredients

1 c. sugar
1 stick margarine
3 eggs, separated
1 c. pineapple
2 Tbsp. flour
pinch of salt

Preparation

Mix flour with sugar; add other ingredients and cook until thick.
Pour in baked crust.
Beat egg whites until stiff and put on top.
Bake until whites are done.