The muffin is a veritable jack-of-all-trades, being a fluffy baked good able to be filled with a varied and delicious assortment of comestables, including, but not limited to: blueberries, raspberries, crunchberries, razor blades, baby fingers, and jam. ESPECIALLY jam...mmmmmmmhhhh...
Man: Is that a muffin, sir?
Baker: Indeed it is, but you cannot have it! -munch munch munch-
Man: Nuuuuuuu! -fart-