3 1/2 tbsp. cocoa
1/2 c. sifted flour
1/2 c. butter
1 c. sugar
2 eggs
1 tsp. vanilla
1/2 c. chopped walnuts

Cream melted butter and sugar thoroughly. Add eggs; beat well. Blend in cocoa and flour, add vanilla. Mix nuts in batter or sprinkle on top of poured batter in pan. Pour batter in greased 8"x8"x2" pan. Bake in oven at 325 degrees for 35 minutes.