Step one: Before making this sweet and sour chicken popcorn, we need to prepare some fresh ingredients and ingredients in advance: a piece of fresh chicken breast; bread crumbs, eggs, onions, ginger, garlic, cooking wine, Tomato paste, salt, pepper, flour and sugar in appropriate amounts.

Step 2: Take out the fresh chicken breast, clean it, and cut it into small pieces of appropriate size. The onions, ginger and garlic are also chopped and set aside.

Step 3: Be sure to marinate the chicken breast before cooking. In order to fully absorb the flavor of the chicken breast, it can also remove a certain meaty smell. Pour in an appropriate amount of pepper, edible salt, cooking wine, onion, ginger, garlic, and egg white and marinate for about an hour or two.

Step 4: Make adjustments during the marinating time batter. Take a large bowl, pour an appropriate amount of flour, add an appropriate amount of water, pour in the remaining egg whites and egg yolks, stir evenly to form an egg paste and set aside.

Step 5: Take out the onion, ginger and garlic from the marinated chicken breast pieces, pour the meat into the batter, grasp it evenly with your hands, then put it into the bread crumbs one by one and roll it to make each Dip the chicken breast pieces evenly into the bread crumbs and set aside.

Step 6: Pour more cooking oil into the pot than usual. When it is 60 to 70% hot, put the chicken breast pieces dipped in bread crumbs into the pot piece by piece. Fry until the meat turns golden brown, then take it out to control the oil.

Step 7: Take another pot, pour an appropriate amount of cooking oil into the pot, add an appropriate amount of tomato sauce, sugar, and water, and bring to a boil over high heat to make the sauce thicken. Pour in the fried chicken popcorn, stir-fry evenly, and sprinkle some coriander before serving.