These Oreo Marshmallow Bars are chewy, gooey, chocolatey perfection — and the best part? They’re no bake and ridiculously easy to throw together. Think of your classic Rice Krispie treat, but levelled up with chunks of Oreo cookies running through every bite. All you need to do is melt butter with marshmallows, stir through crispy rice cereal and crushed Oreos, press into a tray, and top with extra whole Oreos for good measure. Once chilled, slice them up and you’ve got the ultimate cookies-and-