1 lb. confectioners' sugar, sifted
1/2 c. Hershey's cocoa
1/2 c. butter, cut up
1/4 c. milk
1 tbsp. vanilla

Combine confectioners' sugar, cocoa, butter and milk in medium micro-proof bowl. Microwave at high for 2 to 3 minutes or until butter is melted. Stir until mixture is smooth. Stir in vanilla; blend well. Spread evenly in buttered 8-inch square pan; cool. Cut into 1-inch squares.