1/2 c. butter
2 c. brown sugar
2 eggs
1 1/2 c. flour
2 tsp. baking powder
1 tsp. salt
1 tsp. vanilla

Melt butter in medium saucepan. Take from heat and stir in brown sugar. Set aside to cool; stir in eggs. Mix together dry ingredients and add. Then stir in vanilla. Put in a greased 13 x 9 pan. Bake at 350 degrees for about 25 minutes.