S’mores Cheesecake Bars are the best way to combine the classic campfire treat flavors with the creamy tang of cheesecake, all layered into one deliciously decadent no-bake dessert. This easy recipe starts with a homemade graham cracker crust that sits beneath a silky smooth marshmallow cheesecake mixture, all covered with a thick chocolate ganache and topped with toasted marshmallows, crushed cookies, and chocolate bars.