It's an all-day fiery fiesta at Gelson's Market in Thousand Oaks, Calif., as Alex Guarnaschelli challenges four chefs to convince shoppers to part with their carts. Judges Sharone Hakman and Antonia Lofaso watch as the chefs bring the heat for the perfect taco party and then have to rise and shine for a Sunday brunch. The final two chefs are tasked with creating the perfect midnight snack.