Complex sentence: In Britain, the custard tart is regarded as a classic British dish, and as such a version by Marcus Wareing was selected on the BBC television program "Great British Menu" as the final course of a banquet to celebrate the Queen's 80th birthday.
Split into simpler sentences: In Britain, the custard tart is regarded as a classic British dish. A version by Marcus Wareing was selected on the BBC television program "Great British Menu" as the final course of a banquet to celebrate Queen Elizabeth's 80th birthday.