Season the pork chunks with the salt, black pepper, garlic powder, and onion powder. Rub the seasonings into the meat well.

Heat the olive oil in a large pot over medium heat. Once hot, add the pork in batches and sear it on all sides for a few minutes, or until nicely browned. Transfer the browned pork to a plate and repeat with the remaining pieces. Add a little more oil to the pot if needed.

Add the sliced onion to the pot and cook for about 7 minutes, stirring occasionally. Add the sliced garlic and cook for another 2–3 minutes.

Return the pork to the pot. Add the Mexican oregano, bay leaves, and Coca-Cola. Bring everything to a simmer, then reduce the heat to medium-low. Cover and cook for 2–3 hours, or until the pork is fork-tender.

Remove the lid and continue cooking uncovered for about 15 minutes, or until most of the liquid has evaporated. Taste and add more salt if needed.

Serve in warm tortillas with your favorite toppings and enjoy!