1 box powdered sugar
1/4 tsp. salt
1/4 c. milk
1/2 c. cocoa
1 tbsp. vanilla

Blend all ingredients together in a 1 1/2 quart dish. Melt 1/2 cup butter and pour over top of ingredients. Microwave on high for 2 minutes. Stir until smooth. Pour into lined 8 inch square dish. Cool and cut. (Nuts may be added if desired.)