Brent Draper

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

There's a catch to the flavour bombs that Jamie Oliver has left behind for the contestants to cook with. They will only be revealed 15 minutes into the cook and must be included in the dish.

Contestants try to impress the judges by elevating breakfast cereals into nostalgic classics, with a pressure test awaiting the worst cereal offenders.

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

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

With elimination looming, the contestants embark on a two-day challenge, needing to marinate, pickle, brine and more in an overnight cook.