1 c. peanut butter
1 c. butter
2 c. graham cracker crumbs
2 1/2 c. powdered sugar
10 oz. milk chocolate chips
6 tbsp. cooking oil

Put peanut butter and butter in microwave to soften. Stir in graham cracker crumbs and powdered sugar. Mix well. Pat mixture into bottom of 9 x 13-inch pan. On low heat, melt chocolate chips. Stir in oil. Pour over crust and refrigerate for several hours. Cut into bars.