Chef and restaurateur John Torode and food writer and ingredients expert Gregg Wallace search for the country's top celebrity chef. In the first heat Linda Robson, Denise Lewis and Mark Moraghan cook for the judges and paying restaurant customers at the Gallery Restaurant situated in Fortnum and Mason. In the second Michael Buerk, Julia Bradbury and Liz McClarnon cook at the Larder in the Hilton Hotel. Who will make it through to the quarter-final? Show less