Peanut Butter Bars
["1 3/4 c. graham cracker crumbs", "3 1/2 c. powdered sugar", "1 c. margarine or butter, melted", "1 c. peanut butter", "12 oz. chocolate chips", "1/4 c. milk", "3 Tbsp. margarine or butter"]
["Melt and mix; pour over mixture and top with nuts or coconut. Chill until firm; cut and serve."]
["graham cracker crumbs", "powdered sugar", "margarine", "peanut butter", "chocolate chips", "milk", "margarine"]