Mystery Box & Invention Test MasterChef Australia : Season 2 Episode 24

"Around the world" theme. The Mystery Box challenge saw the contestants tackle a complex range of ingredients and a time of just 25 minutes. Peter took out the challenge and was given a significant advantage in the Invention Test, which for the first time would see the contestants competing in trios. Peter was given the power to not only pick the core ingredient for each country's cuisine, but also to pick the members of each team.