Cut the egg tofu into small pieces and then coat with cornstarch. Since egg tofu is super fragile and jiggly, adding a bit of cornstarch can help prevent it from breaking apart.
Add minced pork with left oil. Fry until the pork becomes completely golden brown, then add ginger, garlic and scallion whites.
Add light soy sauce, sugar, salt, white pepper and oyster sauce. Combine well.
Place some mushrooms or any other vegetables you want in the serving pot, add half of the minced pork, then the pan-fried tofu, and finally the remaining minced pork.
Add 1/2 cup of water, cover, and simmer for 3 minutes. Sprinkle some chopped scallions and Thai chili pepper before serving.