Lethal Layers

Preparation : Preheat oven to 375 degrees. In food processor, combine first 3 ingredients with metal blade until crumbly. This can also be done with 2 knives or a pastry cutter. Pat this crust into a buttered 9 x 13 inch 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 cup measure; fill rest of meausre with flour. Stir into egg mixture. Pour over crust. Sprinkle chocolate chips evenly over misture. Bake at 375 degrees for 20 minutes or until center is baked. Cool, then cut into 32 pieces.