Ingredients required: 3 pig trotters, 250 grams of light soy sauce, 100 grams of mature vinegar, 30 grams of oyster sauce, appropriate amount of white vinegar

Step 1: First clean the pig trotters, and clean the toes Burn any remaining hair with fire, scrape it with a knife and rinse it thoroughly. Cut half of it in the middle with a knife and set aside.

Step 2: Bring water to a boil in a wider pot, add a little white vinegar, and blanch the pig's trotters. The purpose of adding white vinegar can make the pig's trotters cleaner and make the pig's trotters crispy after cooking. After blanch for 5 minutes, skim off the foam, remove the pig's trotters and put them into a basin.

Step 3: Add more light soy sauce, an appropriate amount of oyster sauce, and mature vinegar to the pig's trotters while it is hot, stir evenly, and marinate. This process requires marinating for 40 minutes, and you need to stir in the middle. The noodles allow the pig's trotters to take in the flavor.

Step 4: Add water to the pot, add 250 grams of light soy sauce, 100 grams of mature vinegar, and 30 grams of oyster sauce. Bring to a boil over high heat. Add the pig trotters, lower the heat, cover the pot, and cook for 60 minutes. Turn off the heat. After the fire, soak for 20 minutes and serve.

The key to the chewy texture of this method lies in aged vinegar. It is marinated first and then stewed with aged vinegar. After the sourness evaporates, the aroma of vinegar soaks into the pig's trotters. The pig's trotters can be made without any sourness at all, only with vinegar. The aroma of grain. The pig's trotters are soft and fragrant, the skin is very chewy, and it is very chewy and delicious. There is no need to add spices, onions, ginger, etc., nor salt, chicken essence, MSG, etc., 3 kinds of seasonings are enough, and the original pig's trotters are made The original juice is so delicious.