Cooked Creamy Frosting
["1 c. milk", "3 heaping Tbsp. flour", "1 c. sugar", "1/2 c. butter", "1/2 c. shortening", "1 tsp. vanilla"]
["Cook together milk and flour until thick, cool.", "Add remaining ingredients and beat well until fluffy."]
["milk", "flour", "sugar", "butter", "shortening", "vanilla"]