First off, they’re doing it wrong. A good roasted marshmallow should never touch open flames – it should be slowly rotated over some nice embers to melt all the way through and leave a nice crisp golden brown shell.
If you’ve not seen it before, this picture is one of many from Bent Objects, a blog by Terry Border where he creates whimsical artwork out of mostly foodstuff and paper clips.
<img src="http://www.geek-art.net/wp-content/uploads/2010/10/jason_freeny_mister_stay_puft_anatomical.jpg" width=500>