Reese'S Peanut Butter Bars
["1 c. butter", "3 1/2 c. fine graham cracker crumbs", "2 c. peanut butter", "5 c. powdered sugar", "4 c. chocolate chips"]
["Melt the butter.", "Remove from heat and add crumbs, peanut butter and sugar; mix well.", "Pat into a large cake pan.", "Melt the chocolate chips and drizzle over the bars.", "These taste best when they're chilled."]
["butter", "graham cracker crumbs", "peanut butter", "powdered sugar", "chocolate chips"]