1. Prepare the ingredients, cut the tenderloin into strips, add cooking wine, starch, appropriate salt, and marinate for 15 minutes.
2. Put starch in the basin, white flour, add water to open,
3. Pour in the marinated tenderloin and stir to boil
4. Heat the oil pan to 5 minutes heat, add the tenderloin to low heat and fry slowly, deep fry until golden brown, remove the oil, and pour out the oil
5. Leave the bottom oil in the pot, pour in sugar and stir to turn it into maroon red
6. Pour in tomato sauce, vinegar, and a little water
7. Stir-fry and add the fried tenderloin, stir-fry out of the pan
8. Plate.
