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.

Contestants must team up and create a three-course menu for 100 people in a pop-up restaurant challenge; 2016's runner-up Matt Sinclair guest stars to mentor the contestants.

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.

Contestants create grape based dishes in the Nappa Valley to win a fast-track ticket to finals week.

The bottom three from the invention test must keep up with Marco as he demonstrates his classic John Dory dish. With no recipe or clock, who has cooked their last dish?

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.