Benjamin Bullock

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.

The heat is on. A fresh group of home cooks from around the country will eagerly tackle challenges that will see one of them take home the title and $250,000.

The three contestants with the least impressive dishes from the invention test face off in the pressure test. To survive they must keep up with Gary Mehigan as he prepares his classic roast chicken.

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.