The closing date for entries the competition, which is being organised by foodservice supplier Unilever Foodsolutions is 22 August.
To take part entrants must offer a roast dinner on their menu and answer four simple questions about what makes their roast special. The top five finalists will be shortlisted and visited by mystery diners to determine the best British roast dinner.
The winner will be named Britain’s best roast and gain £10,000 worth of PR coverage and a day with pub food consultant Chris Barberwho founded the Goose at Britwell Salome in south Oxfordshire – one of the UK’s first Michelin starred pubs.
They will also get a supply of Knorr Gravy and Coleman’s English Mustard. Four runners up with also receive a supply of Knorr Gravy and Coleman’s English Mustard. Regional finalists will be announced at the beginning of the best British roast dinner week which takes place from the 29 September to 5 October.
The winner of the 2012 best British roast dinner was the Phoenix Inn in Hartley Witney, Hampshire. Owner Sisi Ryder said: "After we won the Best British Roast Dinner title more people came to try our roast dinners than ever before and we received lots of lovely comments on TripAdvisor. It made us the talk of the town."
Enter at www.britishroastdinnerweek.co.uk.