Heat four sees another group of four professional chefs from around the country attempt to make their mark in the MasterChef kitchen and stake their claim to the coveted title. They face two intense challenges, after which two will be sent home and the two strongest will go through to this week's quarter-final.The infamous Skills Test is the first challenge. Two chefs are asked by Monica to cook a traditional brunch favourite, eggs benedict with a chilli sauce hollandaise, in just 15 minutes. The other two chefs take on Marcus's test to prepare a strawberry dessert served with an Italian meringue and strawberry ripple cream. This is their chance to demonstrate their pastry skills and creative flair.Then, in the final test of the day, the chefs showcase their personalities with their two-course Signature Dishes. Each has one hour and 30 minutes to execute a flawless main and dessert that highlights their talent and creativity. The judges will then decide who will be sent home and who will make it through to the quarter-final.