2 cups unsifted flour
3/4 cup firmly packed light brown sugar
1 egg, beaten
1/2 cup (1 stick) cold butter or margarine
1 cup chopped peanuts
1 can eagle brand sweetened condensed milk
1/2 cup peanut butter
1 teaspoon vanilla extract
Preheat oven to 350. Combine flour, sugar and beaten egg. Cut in butter until crumbly. Stir in peanuts. Reserving 2 cups crumb mixture, press remaining mixture on bottom of 13×9″ baking pan. Bake 15 minutes or until lightly browned.
Meanwhile, with mixer, beat sweetened condensed milk with peanut butter and vanilla. Spread over prepared crust; top with reserved crumb mixture. Bake 25 minutes longer or until lightly browned. Cool. Cut into bars. Store covered at room temperature.