1. Season with soy sauce and salt, then add egg and stir, add cornstarch and stir
2. Heat the oil and put it in
3. Fry until golden, remove and drain
4. Cut the tomatoes and add the white sugar and white vinegar tomato sauce, heat the oil in the oil pan, add the mixed sauce and stir fry, then add the fried tenderloin and stir evenly.
