1 lb. powdered sugar
1/2 c. cocoa
1 stick of butter
1/4 c. milk
1 tsp. vanilla
1/2 c. chopped walnuts

Combine powdered sugar and cocoa in a glass dish. Drop on top butter and milk. cook in microwave on high for 2 minutes. Stir immediately until smooth. Add vanilla and walnuts. Pour into a disposable greased metal tin and chill. When firm, cut into squares.