Khanh Ong

The contestants are divided into two and put to the test when Ramsay yells at them to hurry up to create a three-course meal for 50 diners.

The amateur cooks have one hour to recreate their signature dishes for the first auditions.

The 24 contestants enter the MasterChef kitchen and are greeted by legendary chef Gordon Ramsay; when they get over the shock he tells them he will be here for the entire week to mentor them through the first stage of the competition.

The mystery box's winning contestant joins the top three contestants from the invention test in an immunity challenge spanning two rounds.

Nigella Lawson stops by with challenges and surprises for the contestants, her mystery box reveals a range of her favourite ingredients.

The losing contestants have to taste and identify all 26 ingredients of Nigella's trifle before the elimination round.