Place a 6 qt heavy stove - top covered casserole on the burner and add the vinegar, water, garlic, salt, bay leaves and pepper. Bring to a boil.
Add the cut up meat to the casserole and cover, bringing to the boil again. Turn the heat to a simmer and cook, covered for 30 minutes. Add the soy sauce and cook for 10 more minutes. Remove meat from pot and reduce the juices by at least half. Remove sauce to a bowl and reheat the pot. Add the oil and brown the meat in small batches. Brown it well. Drain the oil from the pot and return the sauce to the pot. Heat the adobo to serving temperature.