Dunno about toast but I believe the proper anatomical term for this  feature is donut. Given that the tasty pastry was allegedly invented by a sea captain (long before Churchill noted the three great traditions of the Royal Navy), it seems apropros.

"Where in the name of art would there be a place for such a thing..."

Does it stretch the definition of art too far? Certainly Mapplethorpe would have disagreed. Not to whip up a controversy of course :-)

"Democracy is a pathetic belief in the collective wisdom of individual ignorance." - H. L. Mencken