Frosting-Kathy

1/3 cups butter or margarine

3 cups confectioners sugar

3 tablespoons milk

1 1/2 teaspoons vanilla

OR

1/3 cup margarine or butter

1 cup confectioners sugar

1 1/2 tablespoons milk

1/2 teaspoon vanilla

1/4 teaspoon salt

Mix well, color and flavor as desired.