"Best Friends" is our Peanut Butter & Jelly inspired S’mores Blondie with a Mixed Berry Marshmallow made with Strawberries, Blueberries, and Raspberries on top of a Peanut Butter Gooey Layer and Mixed Berry Blondie and a Graham Cracker Cookie Crust⁣⁣! This is one childhood favorite flavor combination you're sure to Get Fired Up for!