Grace Jupp

Special guest Jamie Oliver joins the judges as the contestants prepare for a season of secrets and surprises.

Jamie Oliver returns to present the contestants with two difficult challenges: a 15-minute meal and his mushroom and spinach rotolo.

Three contestants try to replicate Eddie Stewart's Tokyo Lamington Tower, featuring Snickers, strawberry matcha, charcoal pumpkin and yuzu curd meringue flavors.

Home cooks wade into treacherous waters as global seafood superstar Rick Stein brings his best squid game.

The contestants learn that their service challenge will take place outside.

Guest chef Donato Toce unveils his Viennetta ice cream cake; the chefs in the stress test must keep their cool to recreate the nostalgic dessert, otherwise they risk having to leave the kitchen.