1 lb. pkg. confectioners' sugar
1/2 c. cocoa
1/4 tsp. salt
1/4 c. milk
1 tbsp. vanilla extract
1/2 c. butter
1 c. chopped walnuts

Stir confectioners' sugar, cocoa, salt, milk and vanilla extract in 1 1/2 quart dish until blended. Top with butter. Microwave on high (10) for 2 minutes. Stir until smooth. Blend in chopped nuts. Pour into wax paper lined 8 inch square pan and chill until firm.