docs: def active_serving_watcher(backend, kitchen, period):
      """
      Watches all cooking Recipes in a Kitchen
      Provide the kitchen name as an argument or be in a Kitchen folder.
      """
      err_str, use_kitchen = Backend.get_kitchen_from_user(kitchen)
      if use_kitchen is None:
          raise click.ClickException(err_str)
      click.secho('%s - Watching Active OrderRun Changes in Kitchen %s' % (get_datetime(), use_kitchen), fg='green')
      DKCloudCommandRunner.watch_active_servings(backend.dki, use_kitchen, period)
      while True:
          try:
              DKCloudCommandRunner.join_active_serving_watcher_thread_join()
              if not DKCloudCommandRunner.watcher_running():
                  break
          except KeyboardInterrupt:
              print 'KeyboardInterrupt'
              exit_gracefully(None, None)
      exit(0)