Josh Clearihan

The contestants are split into teams of four in a relay challenge as each member has 15 minutes to cook and only 45 seconds to hand over to the next cook in the relay.

The three best performers from the invention test now compete for a chance at immunity. Will our amateur cook have what it takes to out-perform one of Australia's best chefs?

The top 24 contestants enter the kitchen for their first mystery box challenge.

Bottom 4 cook-off in the mystery pairs elimination challenge.

Split into two teams, each group must prepare a Yotam Ottolenghi-style vegetarian feast for a group of meat lovers. The team that serves the least impressive feast will be up for elimination.

The contestants gather at Gradi, one of Melbourne's leading Italian restaurants before being split into two teams who must prepare four dishes for 250 hungry diners to avoid the elimination challenge.