Cut the pork tenderloin with egg white, salt, raw flour, soy sauce, pepper and mix well.
Spontaneous powder is mixed with clear water to a thicker slurry and placed in marinated tenderloin strips.
Heat the oil in the pan until it is 50% hot. Add in the tenderloin and simmer until light yellow. Remove the oil. After 5 minutes, heat the oil to 80% heat and add the tenderloin to the golden
Tenderloin pick up oil
Take a small bowl and tune the tomato sauce, sugar, vinegar, and 1 tablespoon of water into a sauce.
Pour the simmer into the pot, boil over medium heat, and cook over low heat until thick.
Turn off the fire, pour the fried tenderloin into the oyster sauce and mix well. Let each piece of meat wrap the oyster sauce and serve.