Joanne shows us how preserved lemons add vibrancy and a bright taste to hummus. Then, Jerry is back and ready to spice it up using cardamom and coriander to transform a plain chicken breast into unforgettable Spice-Dusted Chicken Skewers with Harissa Yogurt Sauce, served with Pearl Couscous. Recipes: Spiced Humus with Preserved Lemons, Spice-Dusted Chicken Skewers with Harissa Yogurt Sauce, Pearl Couscous (and variations). Student: Jerry Feldman.