1. Cut the tenderloin into strips, add cooking wine, and marinate for half an hour with a little salt
2. Beat the eggs and the meat strips and mix well
3. Add starch and stir evenly
4. Fry in the pan until golden brown
5. Put white vinegar, sugar and tomato sauce in a pot and boil
6. Just make bubbles
7. Add the fried pork strips and stir fry evenly
8. Add water starch to thicken
9. Delicious serving
Tips:White vinegar, do not put too much salt, the ketchup itself is salty and sour.
