Plot: Culinary director and restaurateur Angelo Sosa enrolls Selena in two core classes: Guac 101 and Wok 101. As the duo go back to basics to chef up the perfect guacamole and Baja-style fried rice, Angelo shares a kitchen secret with his skeptical pupil: any three sweet, sour, and salty ingredients can create the perfect flavour profile, as long as the balance is just right