You are here: Home » Recipes » Caramel Icing or Brown Sugar Icing Caramel Icing or Brown Sugar Icing Recipe by Nansea Yield PrintEmail Ingredients 1 stick butter1 cup brown sugar (packed)1/4 cup milk2 cups powdered sugar Instructions Melt the butter in saucepan. Add the brown sugar and the milk. Bring to a boil. Let cool. Add powdered sugar to spreading consistency — it may take more than the 2 cups. Spread immediately onto cake. Cover cake to keep moist.