MasterChef Australia (2009)

S18E15 Immunity Pin Challenge: Khanh Ong

Khanh Ong, the MasterChef alum turned social media sensation, drops by to throw down a wild sandwich challenge. Contestants must craft a daring, over-the-top creation with a jaw-dropping cross-section that steals the show. The prize? The first immunity pin of the season—and a major flex for whoever pulls it off.