Chocolate Peanut Squares

2 c confectioner's sugar
3/4 c creamy peanut butter
2/3 c graham cracker crumbs
1/2 c butter, melted

TOPPING:
2/3 c semisweet chocolate chips
4 1/2 tsp creamy peanut butter
1/2 tsp butter

Line a 9 in square pan with foil and butter the foil; set aside. In a large bowl, combine confectioners sugar, peanut butter, graham cracker crumbs and butter. Spread into prepared pan.

Combine topping ingredients in a microwave safe bowl; heat until melted. Spread over peanut butter layer. Refrigerate until cool. Using foil, lift out of pan. Cut into 1 in squares. Store in an airtight container in the refrigerator.

Yields about 1 1/2 lbs.