Pig liver is a very delicious and nutritious food. Here's how to cook with pig liver, which is very tender and nutritious. Ingredients: pork liver, onion. Practice: 1. Rinse the pig liver repeatedly under the faucet until it is bloodless, then soak it in clear water for half an hour, take it out and cut it into pieces about 0.5 cm, and then rinse it repeatedly with clear water until it is bloodless. 2. Boil a pot of water and turn off the fire. Put chopped pork liver into water, immediately scoop it up with a colander, shower it with cold water and drain it for later use. 3. Wash the onion, peel it and cut it into thick shreds. Prepare a small bowl, put a teaspoon of starch, add water and mix well to make water starch. 4. Heat the oil pan, put the oil in, stir-fry the shredded onion until soft, and stir-fry the pork liver for a while. Soak a little sesame oil Pig liver is rich in iron and phosphorus, which is an indispensable raw material for hematopoiesis. Pig liver is rich in protein, lecithin and trace elements, which is beneficial to children's intellectual development and physical development. Pig liver is rich in vitamin A. Regular consumption of pig liver can gradually eliminate eye diseases. According to modern medical research, there are many anticancer substances in pig liver, such as vitamin C and selenium. And the liver also has strong anti-cancer ability and anti-fatigue special substances. The liver is an organ that stores nutrients and detoxifies at the same time, and it constantly plays its detoxification role. After liver metabolism, toxic substances and detoxification products can be excreted with bile secretion, so the normal liver itself is nontoxic and can be safely eaten. Pig liver can be divided into yellow sand liver, oily liver, pig mother liver and blood liver. Yellow sand liver: the liver is soft and yellowish. Oily liver: The liver is very soft and shiny. Mother pig's liver: the liver is rough and hard, with many reticular roots and blue color. Blood-liver: When the body is congested, blood and water often ooze from the body, turning blue and dry. 1. The liver is the largest poison transfer station and detoxification organ in the body, so don't rush to cook fresh liver. Wash the liver under tap water 10 minute, and then soak it in water for 30 minutes; 2. It is best to treat anemia with spinach; The pork liver should be cut and cooked now. Bile will flow out of fresh pig liver after long-term cutting, which will not only lose nutrients, but also have many particles condensed on the pig liver after frying, which will affect the appearance and quality. Therefore, after slicing pig liver, it should be quickly mixed with seasoning and wet starch and cooked as soon as possible. Pork liver should be fried tender. First, don't cut it too thin, which is very easy to fry old. There is another method that I often use: boil a pot of water, turn off the fire, quickly put the soaked and sliced pork liver into the water, take it out immediately, take a bath and drain it before frying, so that the treated pork liver will become tender when frying, which is the result of many experiments. Pig liver is really delicious, very delicious.