1. Required materials: 100 grams of flour, 1 egg, 1 medium tomato, 2 green onions, 1 coriander, a little pepper, and an appropriate amount of salt.

2. Preparation steps: Peel the tomatoes (peeling method: it is easy to remove them by boiling them in boiling water or roasting them on the fire), cut into dices, heat a little oil in a frying pan, add diced tomatoes and chopped green onions (the white part of the green onions)

); 3. Fry the tomatoes until soft and release the juice; 4. Then add 2 bowls of water and bring to a boil; 5. While waiting for it to boil, put 100 grams of flour into a large bowl, then add about 40 to 50 grams

Stir the water evenly, then add the egg whites and stir evenly into a barely fluid batter. Beat the egg yolks into another container and set aside. If you don't know how to handle the water and the batter becomes thin, you can slowly add dry flour into it; 6. Pot

After the soup in it boils, pour the batter into an eye-shaped colander, use the back of the spoon to press the batter and let it drip into the soup to form pimples; if you like bigger pimples, buy one with larger holes. You can choose different sizes.

For some, buy ones with smaller holes; 7. After all the lumps have dropped into the soup, add salt and pepper to taste and bring to a boil; 8. Then add the egg yolks to a few drops of water and mix well, stirring while turning.

Pour the ring into the boiling pot, and the egg liquid will turn into fine particles; 9. Then add the green onion leaves and minced coriander, mix well, turn off the heat, add a little sesame oil and mix well.