Buttercream Frosting
["1/2 stick margarine", "1/3 c. flour", "3/4 c. milk", "3/4 c. sugar", "vanilla"]
["Melt margarine in a saucepan over low heat; blend in flour. Gradually stir in milk.", "Cook (stirring constantly) until it thickens and comes to a boil.", "Cool to room temperature.", "Add vanilla, 1/2 stick margarine and sugar.", "Beat with mixer until creamy (about 3 to 5 minutes).", "It will be fluffy like whipped cream."]
["margarine", "flour", "milk", "sugar", "vanilla"]