With $20,000 at stake, the chefs must design their meal around the secret guest's passions: a star in the culinary community with a taste for travel, a love of spices and a preference for the unfussy.

To take home the $20,000, Rocco's chefs must cook their version of recipes from Rocco's guilt-free bestseller, `Now Eat This! Diet' but with all the flavour of higher-calorie fare.