Caramel Icing

1/2 C butter
1 C brown sugar
1/4 tsp salt
1/4 C milk
powdered sugar

Place butter and sugar in a small saucepan, heat over low heat until butter is melted. Add milk and salt, bring to a boil. Boil a few minutes then remove from heat, cool slightly before adding powdered sugar to desired consistency. Spread over cooled cake