This recipe uses a milk carton as a mold to easily create a professional-quality raw chocolate tart. The crispy base made with Oreos and the rich, smooth ganache, enhanced with marshmallows, are a perfect match. Since it can be made without using a stovetop, utilizing a double boiler or microwave, it's recommended even for beginners. Try this gorgeous chocolate dessert, perfect as a Valentine's Day gift or for enjoying at home!