Over the past 12 months, Jimmy Doherty, Kate Quilton and Matt Tebbutt have been travelling the globe exploring popular festive food. Why is farmed salmon pink? Can a chicken be grown as big as a turkey? Is the gold in alcoholic drinks real? To find the answers to these questions and more, the trio head to Norway, the US, Oman, Germany and France, visiting the factories, farmers and producers who make the ingredients for popular Christmas food.