½  cup  Graham Cracker Crumbs [fine]
 1  cup  Butter  [melted]
 3  cup  Powdered Sugar
 1  cup  Peanut Butter

 6  oz   Chocolate Chips
 

Mix first four ingredients together, pat into 9x13 lightly greased pan.

Melt Chocolate chips to spread over mixture.

Refrigerate around 10 minutes or until set.

Cut into small squares.