1 lb. box powdered sugar
1/2 c. cocoa
1/4 tbsp. salt
6 tbsp. butter
4 tbsp. milk
1 tbsp. vanilla
1 c. chopped walnuts or pecans

Combine all ingredients, except nuts, in top of double boiler. Place over simmering water and stir until smooth. Add nuts and mix. Spread quickly in buttered 8-inch cake pan. Cool and cut into squares.