What was the challenge faced by the contestants in Episode 15 of MasterChef Australia Season 16, and how did they have to transform their dishes to impress the judges?

In Episode 15 of MasterChef Australia Season 16, the challenge faced by the contestants was to elevate humble breakfast cereals into nostalgic classics. They had to transform ordinary breakfast cereals into extraordinary dishes in order to impress the judges. The contestants were tasked with showcasing their creativity and skills by coming up with innovative interpretations of the challenge. The pressure was on for them to think outside the box and create dishes that would stand out and wow the judges.