1/2 c. butter, melted
1 c. brown sugar, packed
1 3/4 to 2 c. confectioners sugar, sifted
1/4 c. milk

Stir brown sugar in butter. Boil and stir over low heat 2 minutes. Stir in milk. Bring to a rolling boil, stirring constantly. Cool to lukewarm. Gradually stir in confectioners sugar. Cool until correct consistency to spread. Can be used on several kinds of cakes. Experiment.