Fascinating facts behind favourite festive food. Matt Tebbutt is in Portugal, wondering how long an unfinished bottle of port stays drinkable for. Jimmy Doherty finds out why red cabbage is associated with Christmas. Briony May Williams travels to Germany to uncover the secret to a perfect stollen, and uncovers an ingenious invention that might just help with any national shortage of pigs in blankets. Kate Quilton tries out some inventive glazes for seasonal ham.

A look back at some of the show's best vegetarian features. Featuring Jimmy Doherty paying a visit to the home of Beyond Burger and putting their meat substitutes through a taste test, Kate Quilton learning more about jackfruit, and an investigation into the UK's soil crisis, that raises some useful tips for viewers planning to grow their own vegetables.