Alvin Quah

In the seventh masterclass, George cooks up a quail dolmatha with tahini and yoghurt dressing and ravioli with potato and leek.

Callum and Sharnee are given a masterclass on cheese by expert Will Studd. Gary Mehigan prepares a steak and kidney sandwich for the others.

The contestants gather for a master class with George and Gary; Marion and Aaron learn how to make perfect bread.

Under the guidance of one of the UK's most revered chefs, Heston Blumenthal, the contestants must work in pairs to cook a four course Medieval Feast.

The scores from the P and O Cruise challenge are revealed. One team head for a reward lunch at Sydney restaurant Red Lantern while the losing team all face a green chicken curry taste test.

The Mystery Box reveals the most difficult and unusual ingredients to date - lamb's brains. Contestants must also invent their own pasta dish with seafood.