A cookie bar with a chewy peanut butter crust topped with a sweetened condensed milk, peanut butter chip and nut mixture.

Peanut Butter Chip Squares

1 1/2 cups all-purpose flour
1/2 cup packed light brown sugar
1/2 cup butter
1 (10-ounce package peanut butter chips - divided use
1 (14-ounce) can sweetened condensed milk (not evaporated milk)
1 large egg, slightly beaten
1 teaspoon vanilla extract
3/4 cup chopped walnuts
Powdered sugar (optional)

1. Heat oven to 350°F (175°C).
2. Stir together flour and brown sugar in medium bowl; cut in butter until mixture is crumbly. Stir in 1/2 cup peanut butter chips; press mixture on bottom of 13 x 9 x 2-inch baking pan. Bake 15 minutes.
3. Meanwhile, in large bowl, combine sweetened condensed milk, egg and vanilla; stir in remaining chips and walnuts. Spread evenly over baked crust.
4. Bake 25 minutes or until golden brown. Cool completely in pan on wire rack.
5. Cut into squares. Sift powdered sugar over top, if desired.

Makes 24 squares.