Embargoed to 0001 Monday December 29

File photo dated 16/05/14 of Jamie Oliver, who has revealed he turned down a chance to play a hobbit in Peter Jackson's screen adaptation of the literary classic. PRESS ASSOCIATION Photo. Issue date: Monday December 29, 2014. The culinary guru said he was asked to cook at the director's 50th birthday, which took place during filming, and in exchange he was offered a role. See PA story SHOWBIZ Oliver. Photo credit should read: Anthony Devlin/PA Wire