Caramel Frosting
["2/3 c. butter", "1 c. packed brown sugar", "1/3 c. milk", "3 c. confectioners sugar"]
["Melt butter and brown sugar.", "Cook over low heat for 2 minutes, stirring constantly.", "Add milk; cook and stir to boil. Cool for 10 minutes; add confectioners sugar until of spreading consistency.", "Beat well.", "Spread on cooled cake."]
["butter", "brown sugar", "milk", "confectioners sugar"]