Pork Mimi's Way, Yucatan Style: Cochinita Pibil
Prepare marinade with the orange juice, vinegar, achiote, garlic, and salt, to taste, and mix thoroughly. Rub the mixture into the meat and marinate at room temperature for 1 hour, or refrigerated, for at least 1 hour.
Preheat oven to 300 degrees F.
Line a roaster pan with heavy foil and arrange the marinated pork in it, covering the meat with the marinade. Cover pan with foil tightly and bake for 2 to 3 hours. Check often and turn pieces of meat in their own juices. Roasting times vary according to the toughness of the meat.