Chop up a bunch of garlic (about 6 garlic cloves) and throw it in the pot along with two bay leaves, a tablespoon of ground cumin, and a couple of teaspoons of chopped fresh sage and chopped fresh oregano (Mexican oregano if you have it).
5 Stir that around for about a minute, or until very fragrant. Add in 5 cups of chicken stock and simmer uncovered for about an hour. Then, stir in the chile purée and simmer for another 45 minutes until the meat is very tender and the sauce is a thick, mahogany-red color. Season with additional salt and pepper.