MASTERCHEF: For the first time in MASTERCHEF history, the home cooks will get to choose between two Mystery Boxes. One box is filled with everyday ingredients, while the second contains high-end ingredients in the all-new "Top 11 Compete" episode of MASTERCHEF airing Monday, Aug. 4 (8:00-9:00 PM ET/PT) on FOX. CR: Greg Gayne / FOX. © Copyright 2014 / FOX.