Matt Sinclair

The cooks compete in the first Service Challenge of the season. Two teams, aided by mentors Matt Sinclair and Sashi Cheliah, must cook an entrée and a main course dish for thirty diners.

The top 24 contestants enter the kitchen for their first mystery box challenge to create a dish with ingredients chosen by 2015 MasterChef Australia winner, Billie McKay.

Heston Blumenthal returns. In a world first, the top 10 contestants open four Heston inspired and supervised pop-up restaurants in four days. Starting with galazxy inspired dishes in a revolving restaurant.

The top three contestants cook-off for a place in the Grand Finale. Each contestant must create a main and dessert for 20 guests plus the judges.

The bottom three from Nigella's invention test face elimination in what might be the toughest pressure test ever, as contestants have just one hour to recreate Nigella's three-course meal.

A fete in Negella Lawson's name is held and the contestants are split off into three teams. The teams must prepare one savoury dish and two sweet dishes to sell, with all proceeds donated to the Royal Children's Hospital.