Ingredients:
Brownie        4 ounces butter
                   1/4 cup cocoa
                   3 eggs
                   1 cup sugar
                   1 cup flour
                   1 teaspoon baking powder
                   1 cup chopped pecans
                   1 teaspoon vanilla

Icing            2 cups powdered sugar
                   4 tablespoons cocoa
                   heavy cream
                   1 teaspoon vanilla

Preparation:
Brownies. Grease and flour an 8 x 8-inch baking pan. Beat eggs until foamy, then gradually beat in sugar. In a small saucepan, melt butter with cocoa then add it to egg mixture. Sift flour and baking powder then sift half of it into batter.Mix pecans into the remaining flour; add to cake batter; stir to blend well. Add vanilla.
Spread batter into the pan; bake at 350F for 20 to 25 minutes.
Ice cooled brownies with icing (below) if desired.
Icing. Sift powdered sugar and cocoa into a mixing bowl. Add vanilla and enough cream to be of desired spreading consistency.