Because chile peppers contain volatile oils that can burn your skin and eyes, avoid direct contact with them as much as possible. When working with chile peppers, wear plastic or rubber gloves. If your bare hands do touch the peppers, wash your hands and nails well with soap and warm water.
Cover with foil. Chill for at least 2 hours or up to 24 hours. To serve, preheat oven to 325°F. Bake, covered, for 30 minutes. Uncover. Bake for 30 to 45 minutes more or until an instant-read thermometer inserted in the center registers 170°F. Sprinkle with cheese for the last 5 minutes of baking. Let stand for 10 minutes before serving.