Onion is a delicious home dish made of tofu skin, and onion oil itself has a special scent, which is used as an individual spice for food, making the food taste more unique. Tofu skin is a traditional tofu product in China, which has a temperamental effect on the heating of lungs, coughing, stomach maintenance, detoxification and sweating. Tofu skin contains a wide range of minerals, especially calcium, which can effectively prevent symptoms such as osteoporosis due to calcium deficiency, can contribute to the development of bones and can be very beneficial to the growth of children and the elderly. It looks simple, but it's actually very rich and tasteful, and every time you make a small plate, you can eat it all by yourself, and you're interested in trying to do it once, and you can make sure you eat it again。