Jess Liemantara

The amateur cooks have one hour to recreate their signature dishes for the judges' first auditions, as the judges and nine past winners offer their support.

Chefs are teamed-up to cook at the Melbourne Cricket Ground, creating nutritious three-course meals for guests. But there are stumbles and struggles along the way.

Chloe's cucumber with smoked labneh is one of the standout dishes of the day as the contestants cook at Melbourne's Luminare.

On the first day of dessert challenges, the 12 contestants are tasked to cook their dishes in 30 minutes with ingredients from the Mystery Box chosen by Adriano Zumbo.

The winners of the invention test and mystery box face off against each other in round one, with the winner going up against a professional cook in round two, and fast tracking their place to finals week.

It is time for another immunity challenge, with a cook-off against Alanna Sapwell, head chef of Saint Peter restaurant.