1, sour soup, also known as soup and pepper seeds, is a coarse-grained staple food popular in eastern Liaoning, southeastern Jilin and eastern Heilongjiang in Northeast China. The taste is delicate and smooth, and coarse grains are made.

2, the soup is fragrant and slightly sour, smooth and refreshing, and it tastes very appetizing. A bowl of egg sauce fried with fresh leeks in early spring is more delicious.

3. Of course, you can also add some Chili oil or pepper according to your personal taste, or put some vegetables such as tender cabbage or spinach in the soup after cooking, and add salt and seasoning to cook it (but it is not recommended to eat like this, which will cover up the unique flavor of the soup).