Pineapple Filling
["1 flat can crushed pineapple", "1 Tbsp. lemon juice", "1/2 c. sugar", "1/4 c. flour", "1/2 c. water", "1/2 stick margarine"]
["Cook in top of double boiler until thick."]
["pineapple", "lemon juice", "sugar", "flour", "water", "margarine"]