Peanut Butter Bonbons

1-1/2 cups powdered sugar
1 cup graham cracker crumbs
1/2 cup margarine or butter
1/2 cup peanut butter, creamy or chunky
6 ounces semi-sweet chocolate chips
1 tablespoon shortening

In a large bowl, mix powdered sugar and graham cracker crumbs together. In a small saucepan over low heat, melt margarine or butter; add peanut butter. Stir until smooth. Mix peanut butter mixture into graham cracker mixture. Blend well.
Shape into 1/2 inch balls. In a small saucepan over low heat, melt chocolate chips with shortening. Dip peanut butter balls into chocolate and place them on a piece of wax paper. Let set-up overnight.