"A large muffin"
Reminds me of a story I heard about a young girl eating same while visiting her Uncle at work. He was a barber, and when she got a bit close to the customer he said quietly, "You're going to get hair on your muffin."
She said, "Yeah! And I'm going to grow tits too."
Now back to the topic. I don't like to eat anything but muesli bars at work, but have been known to guzzle chocolate, chocolate bars, chocolate biscuits, chocolate cake, chocolates. I'd probably eat chocolate coated dog crap.