1/2 c. melted butter
1 c. sugar
1 tsp. vanilla
2 eggs
1/2 c. flour
1/3 c. unsweetened cocoa
1/4 tsp. baking powder
1/4 tsp. salt
1/2 c. chopped nuts

In mixing bowl, combine butter, sugar and vanilla. Add eggs, beat well with spoon. Combine flour, cocoa, baking powder and salt. Add gradually to egg mixture. Stir in nuts. Spread on greased 8 or 9 inch square pan. Bake at 350 degrees for 20 to 25 minutes.