Instant-boiled mutton wins popularity with diners.

As winter arrives, many dishes of time-honored restaurants sell like hot cakes online. For example, time-honored brands such as Youyishun, Xilaishun and Hongbinlou launch takeout instant boiled mutton, and some also offer packaged dipping sauce.

Moreover, sales of winter dishes such as pita bread soaked in lamb soup of Old Xi’an Restaurant, grilled meat of Kaorou Wan and Kaorou Ji, casserole of Shaguoju Restaurant, and stewed lamb in brown sauce of Hongbinlou Restaurant rise sharply.

Besides a variety of dishes, time-honored eateries also offer snacks. For instant, Kaorou Ji sells roasted sweet potatoes. Beijing Daoxiangcun launches a kind of salted vegetable. Pickled potherb mustard and preserved pork are sauteed with peas, red pepper shreds and yellow wine. This side dish can be eaten directly after heating.