S5, E2: In the first mystery box challenge of the season, the Top Finalists will have 90 minutes to prep and cook a unique and impressive dish, using mainly dessert ingredients. The winner of the mystery box will have a significant advantage in the next round, deciding which classic American dish the remaining contestants will have to prepare in the elimination round. Find out who will rise to the occasion and whose dream of becoming America’s next MASTERCHEF will come to an end.