S7, E10: Popular Chef Rocco DiSpirito Guest Stars -- Celebrity chef Rocco DiSpirito returns to the Biggest Loser to take the contestants to a restaurant, where he teaches them how to make healthier choices when eating out. Then the contestants have a lively cook-off, preparing healthier, low-calorie versions of once favorite meals. The winning team gets a meal specially prepared by Rocco, and a chance to pick a fortune cookie with an especially valuable fortune inside! In this week's challenge, the players all head to a food bank where theyll race to pack food kits for the hungry and load them on trucks, with the winning team earning an amazing prize. Later, all of the contestants are surprised to learn about a new twist at this week's weigh-in. Alison Sweeney hosts the series, and trainers Bob Harper and Jillian Michaels also star.