Hello: The following is a recipe for keeping healthy in winter: sweet and sour pork chop: 1. Pork chops provide high-quality protein and fat necessary for human physiological activities, especially rich calcium to maintain bone health; It has the effects of nourishing yin, moistening dryness, nourishing essence and enriching blood, and is suitable for patients with deficiency of both qi and blood and yin deficiency. 2. Prepare ribs with some fat. Cut the ribs into 4cm long segments, wash and drain, and use kitchen paper to absorb the surface moisture. Slice ginger, garlic and onion obliquely into thick slices. 3. Heat the wok on high fire, pour in the oil, and when it is 50% hot (the oil pan smokes slightly), adjust the medium heat to the ribs, fry for 3 minutes, turn them over one by one with chopsticks, and fry for 2 minutes. When all sides are brown, most of the water in the ribs is dry. 4. Add salt, soy sauce, chicken essence, ginger slices and garlic slices to the pot, stir fry with ribs, pour warm water without ribs, boil over high fire and stew for 30 minutes. When the ribs are fragrant and soft, add sugar, rice vinegar and chives, and collect the thick juice over high fire.