Si and Dave explore Suffolk, where they cook a traditional county favourite at Snape Maltings, collect flour from a working water mill, and then pit their new-found knowledge against top local chef Chris Lee in a cook-off. Restaurant diners decide who has created the dish that best defines Suffolk.

Si and Dave explore Anglesey, where they cook an ancient local favourite in Beaumaris, harvest mussels from the Menai Strait and sample some very special sea salt. Finally, armed with the finest of the area's ingredients, they go head-to-head in a cook-off with top local chef Stephen Duffy. Restaurant diners decide who has best defined the taste of Anglesey in a blind tasting.

Si and Dave explore Fermanagh, where they cook a traditional county favourite at Crom Castle and fish for brown trout. Finally, armed with the finest local ingredients, they go head-to-head in a cook-off with top local chef Noel McMeel. Restaurant diners decide who has created the dish that best defines Fermanagh.