Reese Peanut Butter Squares

1 1/3 c. graham wafer crumbs

1 cup peanut butter

1 3/4 cups icing sugar

1/2 cup melted margarine

Topping:

1 cup chocolate chips

3/4 cup peanut butter

Mix first 4 ingredients together and press into a 9X13 pan.

Melt chocolate chips and mix in the peanut butter. Spread mixture over bottom layer and refrigerate at least 2 hours before cutting. This freezes well but cut before freezing.