Sure, it's a bit of a novelty, but doesn't anything served in a shot glass fall into that category, too? Cheri from the Watering Mouth figured out this interesting technique, made even more tempting cause you don't really have to do anything other than toast the marshmallows.
After they're blistered, the 'shmallows will actually collapse in on themselves after the cool. So all you gotta do is warm, wait, and pour.
Watch the whole technique in the video below...
... and read more at The Watering Mouth