Three top chefs from Northern Ireland get creative with pigs' heads, potatoes and reinventing the classic ploughman's.

The atmosphere in the kitchen gets even more competitive as the three chefs from Northern Ireland cook their fish courses.

Chris McGowan feels the strain when trying to make his own venison sausages to serve with a venison rack.

The chefs are tempering chocolate and working with sugar. One chef is heading for disaster after his cream splits.

Creative culinary competition. In the south west heats, two ambitious newcomers, Tom Brown and Andy Clatworthy, take on returning chef Dominic Chapman.

Creative culinary competition. Tom, head chef at Outlaw's at The Capital in Knightsbridge, is hoping to elevate the humble mackerel to banquet standards.

Creative culinary competition. For the main course, a refined summer barbecue goes up against a traditional Cornish speciality and a historic Wimbledon recipe.

Creative culinary competition. The chefs honour Wimbledon with their challenging strawberry desserts but only two will make it through to the regional final.

Culinary competition. Three chefs bid to represent the north west. Ellis pays tribute to the founder of the NHS with his re-imagining of a Welsh breakfast.

Culinary competition. It is the fish course and the chefs are gunning for tens. Craig pays tribute to a friend who revolutionised hospital food in Morecambe Bay.

Creative culinary competition. Liam meets his personal hero, Nola Ishmael OBE, who became the UK's first ever black director of nursing.

Culinary competition. It is the last chance for the north west chefs to impress. Ellis's dish is dedicated to the staff who saved his brother's life.

Three chefs new to the competition compete this week in the north east heats. Samira is taking her motivation from Elton John’s The Circle of Life and the versatile tomato.

The chefs serve up their main courses and desserts. Mike is confident his northern dish Rack 'n' Roll has the edge to help him claim the top spot.

Four chefs from Edinburgh, Irvine, Fife and Buckie compete for Scotland with a venison starter inspired by Harry Potter and the Goblet of Fire and a Treasure Island fish course.

The remaining chefs cook mains and desserts, including a cow pie inspired by Desperate Dan and a golden snitch choux dessert. An unusual situation ramps up the competition.

The remaining chefs cook mains and desserts, including a Beatrix Potter extravaganza and a Not So Giant Peach. A surprise veteran judge helps with scoring the main dishes.

The nation's top chefs compete.

Four chefs compete for Yorkshire and north east England with canapes, starters and fish dishes inspired by 100 years of British broadcasting. Who will be eliminated?

The remaining chefs compete over dishes inspired by British broadcasting, including celebrations of Saturday night TV and iconic dramas.

Four chefs compete for south west England with canapes, starters and fish dishes inspired by animation and illustration celebrating Paddington’s 65th birthday. Who will be eliminated?

The remaining chefs from south west England compete over dishes inspired by British animation and illustration and Paddington’s 65th birthday, including dishes inspired by Aardman and Mr Benn.

Four chefs compete for north west England with canapes, starters and fish dishes inspired by the Olympics and Paralympics. Who will be eliminated?

The remaining three chefs from north west England compete over mains and desserts inspired by the Olympic and Paralympic Games. Who will win, and who must go home?