The finalists have to push themselves to the limit for one last time before judges John Torode and Gregg Wallace crown one of the three talented cooks the champion.
The eight remaining semi-finallists are challenged to cook a three-course lunch at Grocers Hall, home to one of the oldest companies in the City of London.
The second group of contestants get their first taste of professional cooking at Ella Canta in Mayfair, where they will be responsible for preparing a full lunch service.
After four weeks of heats, the amateur cooks have been whittled down to just 16. Now they come together for the first time to cook against each other across two shows.
It's the second week of heats and seven more hopefuls need to pull out all the stops to prove to judges John Torode and Gregg Wallace that they have potential.
In this first quarter-final of the series, the six winners of the heats must impress food critic William Sitwell to keep their place in the competition.
A new series of the cookery competition begins as John Torode and Gregg Wallace return to the judging table on the hunt for the next MasterChef champion.