Fluffy Frosting
["1 c. shortening", "1/4 tsp. vanilla", "4 c. sifted powdered sugar (1 lb.)", "1/4 c. margarine", "1/2 small can evaporated milk"]
["Blend shortening, margarine, sugar and vanilla together thoroughly.", "Add milk to mixture until of spreading consistency. May be stored in refrigerator for about a week, if desired."]
["shortening", "vanilla", "powdered sugar", "margarine", "milk"]