Simple Butter Icing
1/3 cup butter
4 1/2 cups sifted confectioners' sugar
1/4 cup milk
1 1/2 teaspoons vanilla extract
In a bowl beat butter or margarine until fluffy. Gradually add 2 cups of the confectioners' sugar, beating well.
Slowly beat in the 1/4 milk and vanilla. Slowly beat in remaining sugar. Beat in additional milk, if needed, to make of spreading consistency. Tint with food color, if desired.