I was recently in Mexico and man, do they do meats right there. You may think that the best thing about tacos is the innovation of stuffing meats in a delicious tortilla, but you’d be mistaken: the best thing about tacos en México is the incredible fillings, such as succulent salty beef, earthy stewed turkey with egg, or pork cooked for fifty-seven hours. For this truly delicious taco filling, I cut the cooking from fifty-seven hours to six in a slow cooker, and used some clever Mexican-st...