Brown Sugar Chewies

1 C butter
2 C brown sugar, firmly packed
2 tsp baking powder
1⁄4 tsp salt
1 tsp vanilla, good quality
2 C all-purpose flour
2 large eggs

Melt butter and mix well with sugar.  Add baking powder, salt, and vanilla.  Mix well. Add flour.  Mixture will be thick.  Beat eggs separately and add, mixing well.  Pat into 9x13-inch greased baking dish.  Bake at 350 degrees for 30-35 minutes.  Makes 36 bars.