1 1/2 c. dark brown sugar, firmly packed
1 1/2 c. granulated sugar
1 1/2 c. milk
2 tbsp. butter

Combine sugar and milk and bringing to a boil, stirring gently. Boil without stirring until a very soft ball forms in cold water. Add butter, remove from fire and cool to lukewarm. Beat until thick, creamy and of a consistency to spread. If necessary, place over hot water to keep soft while spreading. Fills and frosts 2 (9") layers or frosts an 8"x8"x2" cake.