1. Buy pigskin and scald the hairy side with a pan. Get rid of the fishy smell first, and the most important thing is to perm the pig hair, or you can buy it directly. Boil the pigskin in cold water, take it out after cooking, and shave off the fat on the pigskin, otherwise it will become hard.
2. After washing with warm water, put the pigskin into a cold water pot, add onion, ginger and a small amount of cooking wine, take it out after boiling for 10 minutes, cut it into appropriate shreds, and then wash the pigskin with warm water until the water is clear, usually three times. Then put the pigskin into a rice cooker, add 3 times of water, and add the onion Jiang Ye.
3. It takes about 1 hour and 40 minutes to start cooking. After arriving, take out the onion Jiang Ye, let it cool overnight, and wait for condensation. This jelly is clear and transparent, and it tastes chewy. Pigskin jelly mixed with garlic, vinegar, oyster sauce and salt is delicious.
4. The animal gum contained in pigskin has the effects of enriching blood and promoting blood circulation, which helps to moisturize the skin. Its rich collagen and elastin also have the effects of beauty and anti-aging. The protein content of pigskin is very high, which is two or three times that of pork. It also contains collagen and lysine, which is very important for human health and physiological function.