Brett Carter

It's Marco Pierre White Week on MasterChef Australia. The contestants have 75 minutes to create a dish from Marco's mystery box of ingredients with rewards and hazards for the top and bottom three.

The contestants from the losing pub lunch challenge team must correctly name an ingredient to avoid the elimination cook-off challenge, as the contestant with the least impressive dish will go home.

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.

Contestants face an off-site challenge at George Calombaris' Hellenic Republic restaurant. Divided into two teams, they must prepare a three course feast for 120 guests to avoid elimination.

In a MasterChef Australia first the mystery box challenge has been chosen by the viewers. Contestants have 75 minutes to create a dish using at least one ingredient chosen by the viewers.