Add orange juice, lime juice, achiote paste, and salt to a food processor and mix them.
Cut the pork into small pieces of about 1.5 inches.
Preheat the oven up to 320oF. Then, line up a casserole with many layers of foil to make a proper seal.
Put the pork inside the casserole dish and close the foil tightly.
Then, place the dish in the oven and bake it at 320oF for 3 ½ hours.When the pork is ready, take it out and put it into the serving tray.
Shred the cooked pork. Season it with salt and pepper.Garnish it with lime wedges, cilantro, ground cumin, and Mexican cheese. Your dish is ready to serve.
You can garnish it with lime wedges, cilantro, ground cumin and Mexican cheese.