Series which follows the Hairy Bikers as they visit a different British county in every episode, sampling the best of local ingredients and meeting the people keeping culinary traditions alive. Si King and Dave Myers explore Gwynedd, where they cook a traditional county favourite in Portmeirion. They visit a mountain lamb farmer and meet a man growing exotic mushrooms in shipping containers. Finally, they face a cook-off against top chef Peter Jackson. Restaurant diners decide whose dish best defines the taste of Gwynedd in a blind tasting.