I've seen bread in a can before, but I never could figure out its purpose.
I just figured it was a product which that company has made for years and continues to make in pretty much its original form. Someone must buy it, but I can't imagine why...except out of curiosity, as in Bun's case.
Well, it certainly got my attention!
I just thought it was something they made up for an episode of SpongeBob :lookaroun