1. Preheat the oven to 325 degrees.
2. Add the pork, lard, water, garlic, bay leaves, cinnamon stick, black pepper, cumin, salt, and oregano to the Dutch oven. Use your hands or a citrus squeezer to juice the lime and orange into the Dutch oven. Then place the spent lime and orange halves in the Dutch oven, cover, and bake for 3 hours.