Aunt Susan'S Banana Pudding
["6 Tbsp. flour", "1 c. sugar", "1 tsp. salt", "1 c. milk", "2 egg yolks, beaten", "1/4 c. margarine", "1 c. hot water", "2 tsp. vanilla extract", "vanilla wafers", "bananas, sliced"]
["Place first 7 ingredients in top of double boiler.", "Cook until thick.", "Let cool.", "Add vanilla extract."]
["flour", "sugar", "salt", "milk", "egg yolks", "margarine", "water", "vanilla extract", "vanilla wafers", "bananas"]