In possibly the most technical challenge, Claire cooked off against Adam Melonas making Green Pea Soup which used cutting edge techniques to create pea sorbet, a pea gel and sphericated peas.
In London, Marion cooked off against Martin Blunos making 'Egg and Soldiers', which was actually a dessert of vanilla ice-cream and mango puree with shortbread.
Adam and Aaron cooked off In The Round where they had to complete three dishes; one from Matt Moran, one from Kylie Kwong and one from Ian Curley. Adam won the challenge and the immunity pin!
Marion went head-to-head against Camorra in a Melbourne laneway and won the challenge by one extra point!
Joanne, Aaron and Matthew cooked off against three chefs from Arras restaurant making 'Rack on Black' - lamb with black pudding.
P&O Cruise Challenge
Inside the MasterChef Kitchen
Top 50 Contestants
Series 1 Highlights