Knockout Week continues, and last time, two more contestants left the competition. At the end of this week, only the best ten cooks will remain.Tonight, the second group of seven amateurs return to compete for the chance to experience the pressure of a professional kitchen for the first time. They must cook a dish that they would have on the menu of their own restaurant, pop-up or feature in their cookbook. With Gregg away, guest judge Monica Galetti joins John in the MasterChef kitchen to decide which five contestants will go on to cook at a restaurant and which two will be going home.The remaining five head to the Royal Opera House to work in their flagship restaurant Piazza, under the guidance of Michelin-trained executive chef Richard Robinson, which focuses on modern British cuisine.Only the best cooks will make it through to the final challenge in Knockout Week and have the chance to become a semi-finalist.