2 c. peanut butter
2 c. powdered sugar
1 lg. pkg. chocolate chips
1 2/3 c. crushed graham crackers
1/4 lb. soft butter
2 tbsp. Crisco

Mix together thoroughly peanut butter, powdered sugar, graham cracker crumbs and butter. Press firmly into 9 x 13 pan. melt chocolate chips and Crisco together. Pour and spread over peanut butter mixture. Refrigerate for 30 minutes before cutting into squares.