Culinary icon Jamie Oliver made a historic appearance, staying for the first two weeks—the longest guest stint in the show's history. Other high-profile guest chefs included Curtis Stone , Rick Stein , Adriano Zumbo , and Clare Smyth .
The competition went international in Week 10, with contestants traveling to Hong Kong to cook in traditional kitchens and serve Michelin-standard dishes under the guidance of guest judge Vicky Cheng . masterchef australia season 16
Memorable episodes included a "Identity Dish" premiere where contestants cooked for a trip to London, a "Microwave Hack" challenge, and the chaotic "Everything Mystery Box" set by Poh. The Grand Finale and Winner Culinary icon Jamie Oliver made a historic appearance,