01 -
In a large mixing bowl, combine graham cracker crumbs and melted butter until evenly moistened. Press the mixture firmly into the base of a lined 23 cm x 23 cm pan to create an even layer.
02 -
In a separate bowl, thoroughly blend peanut butter and powdered sugar until smooth. Gently fold in any desired mix-ins such as nuts or dried fruit.
03 -
Spread the peanut butter mixture evenly over the graham cracker base. Press carefully to ensure an even surface.
04 -
Melt chocolate chips using a microwave or double boiler, stirring until smooth. Pour melted chocolate over the filling and spread with a spatula to cover completely.
05 -
Refrigerate for at least 2 hours until fully set. Remove from the pan using parchment paper and cut into bars with a sharp, clean knife for neat edges.