Brett Carter

The contestants have 75 minutes to create a dish from Marco's mystery box of ingredients.

Contestants have 75 minutes to create a delicious dish based on Nigella Lawson's divine indulgences.

The three contestants with the least impressive dishes from the invention test face off.

The contestants from the losing pub lunch challenge team must correctly name an ingredient to avoid the elimination cook-off challenge.

A fete in Negella Lawson's name is held and the contestants are split off into three teams.

The Top 24 contestants enter the MasterChef Australia kitchen for their first mystery box challenge.