Fudgy Peanut Butter Bars

These bars are very rich but delicious. Recipe courtesy of Best-Loved Cookies.

Ingredients:
Crust-
1 1/2 cups all purpose flour
3/4 cup fine chopped dry roasted peanuts
1/2 cup packed brown sugar
1/2 cup butter, melted

Topping-
2 cups (12 oz) semi-sweet chocolate chips
3/4 cup peanut butter (can be creamy or chunky)
1/3 cup sifted powdered sugar

For crust: combine flour, peanuts, brown sugar, & butter in an ungreased 13"x9" baking pan; press into bottom of pan
Bake in preheated oven at 350º for 10 - 12 mins or until light brown around edges
For topping: microwave chocolate chips & peanut butter in a medium, microwave safe bowl on high for 1 min; stir
Microwave at additional 10 - 20 second intervals, stirring until smooth
Add powdered sugar; stir vigorously until smooth
Spread over hot cookie base
Chill just until chocolate is no longer shiny
Cut into bars
Serve at room temperature