Cream Pies(Chocolate, Banana Cream & Coconut Cream)  
["1/2 c. sugar", "6 tbsp. all purpose flour", "1/4 tsp. salt", "2 1/2 c. milk", "3 egg yolks", "1 tbsp. butter or margarine", "1 tsp. vanilla", "9 inch baked pastry shell"]
["Mix sugar, flour, and salt in heavy saucepan.", "Add milk, and cook over medium heat, stirring constantly, until thickened. Lower heat, cover and cook 10 minutes longer, stirring occasionally."]
["sugar", "flour", "salt", "milk", "egg yolks", "butter", "vanilla", "pastry shell"]