Christmas Necessary Pleasures - Sheila Dillon hears from leading chefs and writers on their favourite Christmas foods.Jamie Oliver, Angela Hartnett and Great British Bake Off judge Paul Hollywood are among the top chefs who create an imaginary banquet of Christmas delicacies. Food writers Tom Jaine and Kirsten Rodgers discuss these foods, and hear about past Christmas traditions from food historian Peter Brears as he cooks up dishes in Wordsworth's Cottage in Grasmere.Presented by Sheila Dillon and produced by Emma Weatherill.