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.

Si King and Dave Myers explore Somerset, where they cook a traditional county favourite in Bath. They go wassailing in search of cider, and find a West Country herd of buffalo. Finally, they face a cook-off against top chef Richard Guest. Restaurant diners decide whose dish best defines the taste of Somerset in a blind tasting.

Si and Dave explore Cornwall, where they cook a traditional county favourite at the Eden Project. They go sea fishing for spider crabs, and find the only tea plantation in the UK. Finally, they are pushed outside of their comfort zone as they face a cook-off against top chef, Kevin Viner. Restaurant diners decide whose dish best defines the taste of Cornwall.