Inside the Factory: Christmas 2017

Gregg Wallace, Cherry Healey and Ruth Goodman explore the fascinating factory processes and surprising history behind the nation's favourite festive treats. Gregg follows 24 hours of production at a factory in Oldham, Greater Manchester, which will be making two million Christmas cakes for Marks and Spencer, while Cherry visits Britain's largest marzipan manufacturer as well as a sprout farm. Ruth investigates how the UK's early industrial heritage inspired Charles Dickens to write A Christmas Carol