Butterscotch Icing - cooking recipe

Ingredients

1 cup brown sugar
1/2 cup margarine
1/3 cup milk
1/4 teaspoon salt
1 cup sifted confectioners' sugar

Preparation

Combine brown sugar, margarine, milk and salt in a saucepan.
Boil 3 minutes and add confectioners sugar.
Mix until smooth.
Drizzle on top of Rocky Road Nut Cake.