Boil the pork – Place pork butt roast pieces in a pot with water. Boil until the water evaporates and the pork renders some fat.
2 lbs pork butt roast, cut into 2-inch cubes, 1/2 cup water for initial boiling
Brown the meat – Fry the pork until lightly browned. Remove and set aside.
Sauté aromatics – In the same pot, heat oil. Add onions and garlic, and sauté until fragrant.
1 bulb onion, peeled and sliced thinly, 1 head garlic, peeled and minced, 1 tbsp oil
Add soy sauce – Return the pork to the pot. Pour in soy sauce, stir, and let simmer for about 5 minutes.
1/2 cup soy sauce
Add vinegar – Add vinegar (do not stir right away). Let it simmer for 5–10 minutes to mellow the sharpness.
1/2 cup vinegar
Simmer with water and spices – Add water and pepper. Bring to a boil, then reduce heat and simmer until the sauce thickens.
1/2 cup water for the sauce, 1/2 tsp pepper
Season and finish – Add bay leaves, brown sugar (adjust salt and sugar as needed). Continue simmering until the pork is fork-tender and coated in rich sauce.
1 tsp salt (adjust to taste), 1/2 tbsp brown sugar, 2 pieces bay leaves
Serve – Pair with plenty of steamed rice.