Fudge Frosting (used in Tri-Level Brownies)
In small saucepan, melt one 1-oz. square unsweetened chocolate and 2 T butter over low heat; stir constantly. Remove from heat; stir in 1 1/2 C sifted powdered sugar and 1 tsp vanilla. Blend in hot water (about 2 T) to make almost pourable consistency.