2 eggs
1 c. sugar
1/2 tsp. vanilla
1/2 c. butter, melted
1/2 c. flour
1/2 c. cocoa
1/4 tsp. baking powder
1/2 tsp. salt
1/2 c. chopped nuts (opt.)

Beat eggs in small mixing bowl. Gradually add sugar and vanilla. Beat well. Blend in melted butter. Combine dry ingredients. Slowly add egg mixture until well blended. Stir in nuts. Spread in greased pan. Bake at 350 degrees for 30 to 35 minutes.