1. Wash and drain the pork, cut into small pieces, use the tip of a knife to make a few cuts on each piece of meat, do not cut, so that the meat can be slightly looser
2. Add sweet potato flour and salt, mix well
3. Leave it for 20 minutes
4. Add egg whites and cornstarch
5. Every piece of pork must be coated with syrup here
6. Heat the pan, pour in the right amount of oil for frying, the oil is slightly bubbling, put the chopsticks in the test, you can see that the chopsticks are rolling with small oil bubbles
7. At this time, you can put the meat piece by piece into the oil pan
8. Fry the pork until it's slightly yellow, pick it up and let it cool
9. After letting it cool, pour the pork into the frying pan again and re-fry
10. This time the color is a bit darker than the previous round. Once it’s fried, filter the oil first.
11. Put a little oil in a hot pan, add small tomatoes and appropriate amount of tomato sauce and fry together, adjust the taste yourself, add a little vinegar if you feel sweet, add a little sugar if you feel sour, and a little water if you feel thick
12. Stir fry to this level and then pour the meat
13. The sauce is all wrapped in the pork and ready to be out of the pot
Tips:The procedure of re-frying in the process cannot be omitted. This step is for the meat to taste a little crispy, and the meat is already cooked through the re-frying, and the tomato sauce is very sweet and sour.
