Brett Carter

The contestants are split into two teams for a service challenge. Each team must cook a three-course meal for 30 people, replicating dishes from two celebrated Melbourne restaurants.

Contestants have 75 minutes to create a delicious dish based on Nigella Lawson's divine indulgences. The top three will have a chance at immunity, while the bottom three face elimination.

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 losing Greek feast challenge team face elimination. Contestants who fail the Round 1 blind taste test must win over the judges by creating a dish using the ingredient they did not correctly name.

A fete in Negella Lawson's name is held and the contestants are split off into three teams. The teams must prepare one savoury dish and two sweet dishes to sell, with all proceeds donated to the Royal Children's Hospital.

The three contestants with the least impressive dishes from the invention test face off in the pressure test. The contestant with the least impressive dish will be going home.