You can also add kelp.

Ingredients: pig trotters, kidney beans (also known as snow peas), kelp

Ingredients: ginger, green onions, cooking wine, pepper, salt, chicken essence

Method :1． Scrape and clean the pig's trotters, cut into pieces, and briefly soak in water to remove the blood;

2. Wash the kidney beans and soak them in warm water until they swell and become soft.

3. Wash the kelp.

4. Press and cook the kidney beans in a pressure cooker for about half an hour.

5. Then put all the ingredients into the pot, add seasonings and

appropriate amount of water, and simmer over medium heat until cooked.

(Note: Kidney beans should be boiled with full grains. Cook them until they are completely cooked and soft for a better taste.)

Nutritional analysis: Kidney beans have high nutritional value and their protein content is in 20 or more, fat is 1.5, carbohydrates account for about 63, and it is rich in iron, calcium and vitamins B1, B2, etc. Pig tellurium is mild in nature, sweet and salty in taste, and has the functions of tonifying weakness and replenishing kidney essence. Modern nutritional research shows that pig tellurium contains more protein, fat and carbohydrates, and contains beneficial ingredients such as calcium, phosphorus, magnesium, iron and vitamins A, D, E, K and so on. It is rich in collagen. Eating it helps reduce excessive excitement of the central nervous system and improves anxiety, neurasthenia, and insomnia. Consumption of glycine-rich porcine tellurium also has a positive effect on regulating normal functional activity of subneurons. Since the glycine contained in pig's trotters has a sedative effect on the central nervous system, people have also found that some people often have calf cramps or numbness, as well as spasms caused by certain drugs. Regular consumption of pig's trotters soup also has certain therapeutic and relieving effects. . Pig's trotters are easy to store and cook, and kidney beans have extremely high nutritional value, so they are an ideal alpine recipe.