2. Add the right amount of oil to the hot pot, stir-fry the onion, and put the soaked skin into the pot.
Stir-fry the skin in the pot for a while.
4. Add tomatoes and stir fry.
5. Add the right amount of water to the pot. Cover the pot until the water in the pot boils.
6. After the water in the pot is boiled, beat the eggs into the pot and beat them into egg blossoms.
7. Add salt, monosodium glutamate, vinegar and cooking wine. Sprinkle in the chopped shallots.