2/3 cup butter
1 1/3 cup brown sugar (packed)
6 tablespoon milk
3 cups sifted confectioners’ sugar

Melt butter in saucepan. Stir in brown sugar.
Boil and stir over low heat 2 minutes. Stir in milk.
Bring to boil, stirring constantly. Cook to lukewarm (120degrees).

Gradually stir in confectioners’ sugar.
Place pan in ice water and stir until thick enough to spread.

Great on Spice Cake