The team hits the road to sample some of the UK's finest dishes. Andi Oliver samples some Pimm's, and Jimmy Doherty examines the growing popularity of Caribbean jerk seasoning, and the qualities of different cooking apples. Kate Quilton meets a porridge-making champion, and Matt Tebbutt heads to the island of Orkney to discover the perfect vinegar for fish and chips.

Jimmy Doherty is in Thailand asking how the blossom from a banana tree is shaking up fish and chip suppers. Matt Tebbutt visits Spain to find out how the delicate raspberry gets from fields to fridges without turning to mush, and Andi Oliver heads to an onion factory to see how the eye-watering vegetables are peeled on a gigantic scale.