'MasterChef: Back to Win' recap: A spicy, surprising double whammy

Welcome back to “MasterChef” recaps for another other two-course culinary gauntlet (or another pair of back-to-back episodes, whichever you prefer). First, the top 10 chefs must make haute cuisine out of convenience-store food in “Gas Station Gourmet,” then they take a peppery page from a previous champion’s book in “Winners Mystery Box — Gerron Hurt.”