Peanut Butter Graham Cracker Bars. Add brown sugar and vanilla extract stir well. Combine the butter peanut butter sugar and graham cracker crumbs in a food processor.
Mix the powdered sugar graham cracker crumbs peanut butter and melted butter together in a mixing bowl. Add brown sugar and vanilla extract stir well. Stir in the graham cracker crumbs.
Add the flour baking powder and salt.
Process until the mixture forms a ball. Press evenly into the bottom of an ungreased 9 13 inch pan. It helps to whisk together the melted butter and peanut butter first then whisk in the powdered sugar and then the graham cracker crumbs. Melt the chocolate chips in a double boiler over simmering water or in a microwave-safe glass dish in the microwave for 1 minute on high 100.