Bring the campfire favorite indoors with these s'mores brownies. These brownies are topped with a layer of gooey marshmallows and crushed graham crackers, reminiscent of the classic s'mores treat. The marshmallows get perfectly toasted in the oven, creating a golden and caramelized topping. These brownies are a fun and delicious twist on the traditional chocolate treat and are sure to be a hit with both kids and adults.