Meet the Mastodon. This over-the-top burger from Kuma's Corner in Chicago "totally lives up to its name," Graham Elliot explains. "This burger is big." At Kuma's they top the beefy patty with strips of crispy bacon, a squirt of bourbon-laced barbecue sauce, plus a slice of melty cheese and a pile of fried onions. "It's perfection between two pieces of pretzel bread," Graham says.