Boil the pot and add the tofu and black fungus. Wait until the tofu block gets bigger and floats up.
Bring the tofu and fungus out.
Put a small amount of oil in the pot, and the chopped green onion is fragrant. Add tofu cubes, fungus, lettuce, stir fry. Add oyster sauce, soy sauce, soy sauce, sugar, vinegar. Add water and simmer over low heat.
The old pumping is more, the color is heavy, and the taste is salty.