Listen up, chocolate fans. Morrisons is selling a new KitKat Chunky flavour that's bound to get your heart racing as quickly as an F1 driver. That's because the confectioner has teamed up with Formula 1 for a sweet treat that's perfect for anyone who enjoys the pure taste of caramel – and it'll only set you back £1. On the Morrisons website, the product description reads: "Introducing the NEW KitKat F1 Chunky Caramel flavour Milk Chocolate Bar – a bold twist inspired by the thrill of Formula 1.