This year's home cooks promise to bring diversity and delicious dishes to the show.
The young contestant took home $25,000 in prize money after winning the final cook-off.
Contestant Hayden Quinn said Andy Allen, Melissa Leong and Jock Zonfrillo felt more like "peers" than "judges".
"I thought the show became about the old guys and less about the contestants and food."
Andy has now announced he's engaged to Alex Davey.
The eliminated contestant said some people would feel "threatened" by a female judge who is "intelligent, educated and assertive".
"There’s always stuffing around on set," said eliminated chef Ben Milbourne.
Andy Allen, Melissa Leong and Jock Zonfrillo have replaced Gary Mehigan, George Calombaris and Matt Preston.
"Ten years ago they used to cut all this stuff out," said Courtney Roulston.
She's brushed off any criticism she's received alongside fellow new judges, Andy Allen and Jock Zonfrillo.