1. Prepare the ingredients: cut the tofu into pieces, dice the ham, cut the shallots into chopped green onions, and crush the salted egg yolk.
2. Pour a little oil into the pot and fry the salted egg yolk to form bubbles.
3. Pour tofu in the pot.
4. Pour in the diced ham.
5. Add 2 large bowls of water and ingredients evenly, boil on high heat until boiling, then turn to the lowest heat.
6. Add 1 teaspoon of salt and stir fry evenly.
7. Add chicken essence.
8. Add 1 tablespoon of starch to half a bowl of water to make water starch, pour it into the pot to thicken.
9. Turn off the heat after the soup is thickened and sprinkle with chopped green onion.
