4 eggs
2 c. sugar
1 c. milk
1/4 tsp. vanilla
2 c. flour
2 tsp. baking powder
1 c. peanut butter or more
8 oz. melted chocolate or can of frosting

Beat eggs with mixer until thick and lemony. Gradually add sugar while beating. Add milk and vanilla. Blend dry ingredients together and carefully fold into egg mixture by hand. Blend well. Pour batter into greased 11 x 17 inch cookie sheet with sides. Bake at 350 degrees for 15-20 minutes. Remove from oven and spread with peanut butter while hot. Allow to cool and cover with chocolate or frosting. Cut into squares.