Preheat oven to 350ºF.
In large bowl, combine flour, sugar, and salt; cut in margarine until crumbly. Stir in 1 beaten egg. Press firmly on bottom of 13x9-inch baking pan. Bake 25 minutes.
Meanwhile, in medium bowl, beat sweetened condensed milk, remaining 1 egg and flavoring; stir in nuts. Sprinkle chips evenly over prepared crust. Top with nut mixture; bake 25 minutes longer or until golden. Cool. Cut into bars. Store tightly covered at room temperature.
Makes: 24-36 bars.
Date: September 28, 2002