Peanut Butter Cup Bars

If you love Reese's Peanut Butter Cups you will love this recipe.  It requires no baking and can be done in the microwave.

Ingredients:
1/2 cup unsalted butter or margarine
1 3/4 cups icing sugar
1 cup smooth peanut butter
3/4 cup graham cracker crumbs

Topping:
1/4 cup unsalted butter or margarine
1/2 cup milk chocolate chips
1 tbsp. peanut butter (optional)

Directions:
1.  Line an 8" x 8" pan with foil.
2.  In a microwave safe bowl, melt butter.
3.  Remove from microwave and add icing sugar; stir until smooth.
4.  Stir in peanut butter and graham cracker crumbs.
5.  Spread mixture in pan.
6.  For topping:
     i) Combine butter, chocolate chips and peanut butter if desired in microwave safe bowl.
    ii)  Microwave for about 30 second intervals until melted, stirring after each interval.
   iii)  Pour chocolate over squares and refrigerate until set.