For this week':s Quickfire Challenge, the chefs mustcreate a dish with an ingredient using only the toughest stainsas their clues. Then, in a high-stakes pizza party, the chefsmust create pies that are outside of the box to impress guestjudges Michelin star chef Wylie Dufresne and Top Chef All-Staralumn Spike Mendelsohn, who join Kristen, Tom and Gail at thejudges' table.
