Pork Carnitas

Bahan-bahan (10 porsi)

• 4 pounds boneless pork shoulder or butt roast
• 1 onion (ends cut off, halved and peeled)
• the juice of 1 medium orange or 4 tiny clementines (save the spent halves)
• 2 tablespoons fresh lime juice
• 2 cups water
• 2 bay leaves
• 1½ teaspoons kosher salt
• ¾ teaspoon freshly ground black pepper
• 1 teaspoon ground cumin
• 1 teaspoon dried oregano