CRUST:

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

TOPPING:

1 c. brown sugar
2 tbsp. flour
1 tsp. baking powder
2 eggs
6 oz. chocolate chips
1/2 c. chopped nuts

Combine crust ingredients and press into 9"x13" pan. Bake at 350 degrees for 8 to 10 minutes. Cool. In medium bowl combine topping ingredients. Pour over crusts. Bake at 375 degrees for 15 to 20 minutes until golden brown. Cool. Cut into bars.

May use butterscotch chips instead of chocolate chips.