Each burger required several steps and an entire team.
Chef Robert Irvine was one of the many celebrity chefs on hand.
Burger toppings included pork belly and cabbage slaw, and there was no ketchup in sight.
Chef Samuelsson was there, looking dapper as always.
Sponsor Blue Moon hired an artist to paint during the event.
Chef Michael Ferraro prepared a cheese-stuffed "Juicy Lucy," which was a big hit.
Ramen burger inventor Keizo Shimamoto's team was on hand to hand out samples of the real deal.
Each burger served was a work of art. Chef Michael Ferraro's Juicy Lucys were also topped with cheese and caramelized onions.