Anushka Zargaryan

As the week in Western Australia nears its end, three of the contestants face an elimination challenge, with all of them desperate to make it through to finals week.

The contestants are outside the studio for the first time, preparing a feast for the 150 volunteer truckers of Lions Need for Need, who deliver fodder to farmers in need across Australia.

Rick Stein joins the judges and chooses the ingredients for the next mystery box challenge, including cuttlefish, pine nuts, basil, garlic, tomatoes, Australian raisins and marrow bones.

The contestants face a challenging Pressure Test, and have 90 minutes to prepare Nigella's infamous roast chicken with two sides and gravy.

The cooks face a mystery box challenge, choosing from ingredients including lemons, tarragon, calamari, spatchcock and mangoes.