Season the meat and place the flour in a deep bowl. Heat the clarified butter in a frying pan. Turn the meat in the flour, shake off the excess and brown, in batches, for approx. 3 mins. each batch, then remove. Briefly fry the bacon, celery and onion, then return the meat to the pan. Add the meat stock and all the ingredients up to and including oregano, season, bring to the boil, cover and braise for approx. 1 hr. over a low heat. Remove the bay leaves.