Vanilla Brownies:

11 T. butter
2 C. brown sugar
3 eggs
2 2/3 C. flour
2 tsp. baking powder
2 c chocolate chips
1/4 tsp salt
1 tsp vanilla

Mix sugar and butter and then dry ingredients. Bake in large 9x13 or jelly roll pan.  Bake at 350 degrees for 30-40 minutes.