1 box brown sugar
1 c. white sugar
2 sticks butter (melted and cooled)
4 egg yolks, beaten
2 c. sifted plain flour
2 tsp. baking powder
1/4 tsp. salt
1 c. broken pecans
4 egg whites (beaten stiff)
1 tsp. vanilla

Bake at 325 degrees for 35-45 minutes in a 9x13 pan.