Food Unwrapped is hitting the road and heading the length and breadth of Great Britain, from Lands End to the Orkney Isles, to unearth surprising facts about some of our favourite home grown grub. Andi Oliver goes behind the scenes at Pimms to discover if some drinks really do taste better in summer. Jimmy Doherty checks out the growing influence of spicy Caribbean Jerk seasoning on our taste buds, and tests whether Bramley apples really are best when it comes to cooking. Kate Quilton probes the difference between porridge and muesli oats and gets to stir the pot with a British porridge making champion. And Matt Tebbutt heads to Orkney to discover why, when it comes to the British favourite Fish and Chips, it seems that only one kind of vinegar will do.