A mini marshmallow is drenched in premium milk chocolate, then rolled in crushed graham crackers...no campfire required! By Sugarfina. Want something that'll really knock your socks off? Microwave one of these bite-sized S'Mores on high for about 10-12 seconds. The marshmallow and chocolate center will melt while the outer shell stays intact, creating a delicious warm, gooey taste sensation.