Peanut Butter Bars(Microwave)  
["1/2 c. butter", "1/2 c. peanut butter", "1 c. graham cracker crumbs", "1 1/4 c. powdered sugar", "1 c. semi-sweet chocolate chips", "1 Tbsp. oil"]
["Place butter and peanut butter in 1-quart glass bowl. Microwave on High for 45 to 60 seconds.", "Stir; add cracker crumbs and sugar and mix well.", "Press in 8-inch square pan.", "Place chips and oil in 1-cup glass container.", "Microwave on High for 1 to 1 1/2 minutes.", "Mix and spread on top of crumb mixture.", "Refrigerate 1 hour.", "Then cut in 1-inch squares."]
["butter", "peanut butter", "graham cracker crumbs", "powdered sugar", "semi-sweet chocolate chips", "oil"]