Each time Joanne travels, she loves to find ways to bring exotic flavors home. In this episode, she shows her student Michelle how a picant spice rub, harissa, can quickly transform a home cooked meal of pork tenderloin into a gourmet experience with a cooling mint and cumin yogurt on the side. Recipes: Harissa-Rubbed Pork Tenderloin with Mint and Cumin Yogurt, Green Spring Vegetables. Student: Michelle Soto.