7.30 PM, TEN Maggie Beer gets the reception usually reserved for rock stars when she enters the MasterChef kitchen tonight. Seriously, there are tears from one star-struck contestant. It’s mystery box time, but with a special Maggie twist. First, the remaining 15 cooks must do an invention test with th one of Maggie’s three favourite foods. The winner then gets to pick the mystery box ingredients, gaining a massive advantage.