Cliveden's restaurant in Taplow has clinched the 2015 edition of the Good Food Guide's Restaurant Newcomer of the Year award.
Andre Garrett at Cliveden was also ranked 18th in the UK based on guide scores,
All-day dining chain Bill's is coming to Marlow.
The national chain was granted permission to open at empty office premises 48 West Street on Wednesday.
It is due to open early 2015.
Bill's brand manager
Some of Berkshire and Buckinghamshire's most famous eateries were chosen as part of The Good Food Guide's list of the country's top 50 restaurants for 2015.
Heston Blumenthal's The Fat Duck in Bray High Street