A Mexican Mystery

The remaining 17 home cooks are joined by special guests Season 6 winner Claudia Sandoval and guest culinary judge Aarón Sánchez as they reveal the next mystery box challenge. Each contestant has 60 minutes to create their own unique dish using a number of Sandoval's favorite ingredients. The winner of the challenge is safe from the next elimination round and helps to decide the fate of 3 other contestants in the elimination.