1 cup butter
1 box light brown sugar
1/2 cup sugar
4 eggs
2 cups flour
1 tsp. baking powder
1 tsp. vanilla
pinch of salt
1 cup pecans

Heat butter and brown sugar on low heat. Remove from heat and add other ingredients in order.

Bake in a greased 13 x 9 pan at 300°F for 1 hour. Cool, but while still lightly warm, cut into pieces and roll in powdered sugar.