1 (1 lb.) box powdered sugar
1/2 c. unsweetened cocoa
1/4 tsp. salt
1/4 c. minus 1 tsp. milk
1 tbsp. vanilla
1/2 c. butter

In 1 1/2 quart dish, stir together sugar, cocoa, salt, milk, vanilla until partially blended. Put butter over top in center of dish. Microwave on high 2 minutes. Stir well until smooth. Pour into a greased 8- inch square dish. Chill about 1 hour. Makes about 36 squares.