Preheat oven to 350 degrees f/180 degrees C. Grease a 9 x 13-inch baking pan. In large saucepan over low heat, melt 1 cup chips and butter. Stir in flour and baking powder until blended. Stir in condensed milk, pecans, egg, vanilla and remaining chips. Spoon mixture into prepared pan. Bake in preheated oven for 20 to 25 minutes. Cool. Sprinkle with confectioners' sugar; cut into squares. Store covered at room temperature.
Makes 24 squares.
Date: September 28, 2002