Brent Draper

The judges are joined by special guest Jamie Oliver, as the contestants prepare for a season of secrets and surprises.

Contestants are challenged to create dishes that feature a chicken or an egg. The one with the least impressive dish will be sent home.

In the first elimination challenge of the season, the contestants must cook a dish from their favourite childhood memory. The least impressive dish will send its cook home.

Poh Ling Yeow presents the season's first mystery box challenge. The contestants must create a winning dish with basic staples and little other ingredients.

Cooking legend Massimo Bottura presents his take on the classic dish, mac and cheese, for the elimination challenge.

Jamie Oliver returns for another day in the kitchen, as contestants battle to secure a place in the first immunity challenge.