1 c. peanut butter
4 tbsp. butter
2 eggs
2 c. sugar
4 tbsp. cocoa
4 tsp. baking powder
1 tsp. baking soda
2 c. flour
1 c. milk

Mix all ingredients together. Place in a greased 9 x 13 inch pan. Cook in a 350 degree oven for approximately 40 minutes.