1 c. flour
1/2 c. brown sugar
1/2 c. butter, melted

Mix together flour, brown sugar and melted butter. Press firmly into buttered 9 x 9 inch pan. Bake 10 minutes at 350 degrees.

FILLING:

1 c. brown sugar
2 eggs
1 tsp. vanilla
2 tbsp. flour
1/2 tsp. baking powder
1/2 c. pecans, chopped

Mix well and pour over baked shell. Bake 15 to 20 minutes at 350 degrees. Filling will set as it cools.