3 2/3 c. sifted powdered sugar
1/2 c. Hershey's cocoa
1/4 c. milk
1/2 c. butter, cut into pieces
1 tbsp. vanilla
1/2 c. chopped nuts (optional)

Combine all ingredients except vanilla and nuts in a medium microwave bowl. Microwave on high (full power) 2-3 minutes or until butter is melted and mixture is smooth when stirred.

Stir in vanilla and nuts as desired and spread in a buttered 8 inch square pan. Cool and cut into 1 inch squares.