The Belly of the Beast is a tonkotsu-based ramen that layers rich pork bone broth with beef brisket, oxtail dumplings, hoisin-glazed short ribs, and a ramen egg. This signature bowl represents Underbelly's approach to elevated ramen, combining traditional tonkotsu technique with premium proteins and complex flavors. The multiple proteins create textural contrast and depth, with each element contributing distinct notes to the overall composition. The dish has become a standout on the menu, drawing diners who want to experience the kitchen's full range of technique and ingredient quality.