Alex Guarnaschelli challenges four chefs to think outside of the pizza box as they stake out shoppers at Bristol Farms market in Calabasas, Calif. They ask shoppers "Where's the beef?" for a backyard cookout, and the final two chefs throw down in an epic "wrap" battle to impress judges Monti Carlo and Simon Majumdar.

• Alex Guarnaschelli
• Stephanie Izard
• Rocco DiSpirito