1-In a medium bowl, stir together the: In a medium bowl, stir together the graham cracker crumbs, confectioners’ sugar, peanut butter, and melted butter until fully combined.
2-Press the mixture evenly into the bottom: Press the mixture evenly into the bottom of a 9×9-inch ungreased baking dish. Transfer to the refrigerator to chill while you prepare the topping.
3-In a microwave-safe bowl, combine the chocolate: In a microwave-safe bowl, combine the chocolate chips and peanut butter. Microwave in 15-second intervals, stirring after each, until smooth and fully melted.
4-Pour the chocolate mixture over the graham: Pour the chocolate mixture over the graham cracker base and spread evenly.
5-Refrigerate for at least 1 hour, or: Refrigerate for at least 1 hour, or until set.
6-Once set, slice into bars and serve: Once set, slice into bars and serve chilled or at room temperature.