Lethal Layers

1/2 c. butter
1/2 c. dark brown sugar
1 c. flour
1 c. pecan halves
2 eggs
1 c. packed dark brown sugar
1 tsp. vanilla
1/2 tsp. salt
1 tsp. baking powder plus additional flour (see directions)*
1 c. semi-sweet chocolate chips

Preheat oven to 375 degrees. In food processor, combine butter, brown sugar and flour with metal blade until crumbly. (This can also be done with 2 knives or a pastry cutter.) Pat this crust into a buttered 9x13 pan. Bake for 10 minutes. Cool.
When crust is cool, spread pecans evenly over surface. Beat eggs with brown sugar until thick. Add vanilla. *Put salt and baking powder in bottom of 1/4 c. measure; fill rest of measure with flour. Stir into egg mixture. Pour over crust. Sprinkle chocolate chips evenly over mixture. Bake for 20 minutes or until center is baked. Cool, and cut into 32 pieces.
Makes: 32 bars