Plot: Music superstar DJ Khaled ("Grateful") helps Michael Symon make Cedar Plank Jerk Chicken; Clinton Kelly cooks Sweet and Sour Eggplant Kebabs; Mario Batali takes "The Chew" on an exclusive behind-the-scenes tour of his four Las Vegas restaurants; Carla Hall shares her dairy-free secret to Banana Ice Cream with Grilled Pineapple.