1. Dice onions, tomatoes, cut green peppers, and cut pineapples.
2. Cut the pork into pieces, and then use a meat tenderizer to break the pieces of meat into pieces.
3. Add salt, lemon juice, cooking wine, cooking oil, starch, and egg yolk to the meat, mix well, and marinate for 15 minutes.
4. Dip the marinated meat slices in starch, pinch them into balls, put them in an air fryer, spray a layer of oil, and bake them at 180 degrees for 15 minutes.
5. Adjust sweet and sour juice. Put oil in the pot, pour diced onions and diced tomatoes, add cooking wine, pineapple juice, salt, white vinegar, sugar, strawberry jam, tomato sauce, and stir-fry evenly.
6. Put the meatballs tied in the air fryer into the prepared sweet and sour sauce, stir fry, then add the green peppers, pineapple chunks, and thicken them. After stirring, they can be out of the pan.
