Maybe the best way to test your will power would be to leave you alone in a room with a steaming-hot piece of Pizza My Way's Big Sur pizza. Or a glass of Heller Meritage with five Bourdeaux varietals blended into heavenly harmony. Or a Wills Fargo steak with cauliflower gratin.
For the purposes of this simple experiment, it was a marshmallow. The results make for one of the best edible videos on YouTube: