When it comes to the culinary arts, nachos are the perfect blank canvas for creativity in the kitchen. But who can stack the tastier plate of tortilla chips, cheese, and toppings—Sean Evans or Bon Appétit's Brad Leone? Stepping into the nacho-battle terror-dome (otherwise known as the Bon Appetit test kitchen), Sean goes head-to-head with another YouTube food legend. As the host of Bon App’s “It’s Alive,” Brad is used to getting wild with his ingredients. But will home-court advantage be any match for Sean’s Chicago-inspired platter? Find out when Bon Appétit Deputy Editor Andrew Knowlton issues his final verdict.