It is the semi-finals for the professional chefs remaining in the competition, and each pair of winners from the quarter-finals go head to head for a place in the last four.
The two winners from the fourth quarter-final battle it out head to head. First they have to cook at the two Michelin-starred The Square in London's Mayfair, under chef Philip Howard. Then they have to create two perfect dishes in the MasterChef Kitchen - only one can go through.
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