Peanut Butter Cup S'Mores Bars - graham cracker cookie dough loaded with Reese's Peanut Butter Cups and fluffy marshmallow creme.
Preheat oven to 350 degrees. Line an 8 inch square glass baking dish with foil and spray with non stick cooking spray.
In the bowl of a stand mixer, beat togther butter and brown sugar, then add graham cracker crumbs. Add salt, vanilla, and egg and continue mixing until well combined, then add flour and mix just until combined.
Divide graham cracker cookie dough in half and trasfer first half into foil lined baking dish. Top with Reese's Peanut Butter Cups, then with marshallow creme. Top marshamallow creme with remaining graham cracker cookie dough. To evenly distribute cookie dough, divide into 9 dough balls and flatten into disc shape. Overlap dough circles as pictured above.
Bake 35 minutes, or until golden brown. Let cool before cutting and serving.