1. Material preparation
2. Pineapple slices, soak in salt water to remove astringency
3. Break the tomatoes into ketchup and set aside
4. Cut tofu into cubes, roll in starch and set aside
5. Fry the starch-coated tofu cubes in a frying pan until golden
6. Fry the tofu and set aside, slice the green pepper, and cut the pineapple into pieces.
7. Over hot oil, stir-fry chives, ginger, garlic
8. Add tomato paste and heat
9. Add sugar, white vinegar and salt to create a sweet and sour taste
10. Stir in pineapple chunks and green pepper slices
11. Add appropriate amount of wet starch to thicken the soup
12. Add the cut tofu cubes and stir-fry evenly
Tips:1. Here you can choose homemade tomato sauce, or you can purchase ready-made tomato sauce from the market
2. Since it is a vegetable dish, try to use olive oil and other vegetables to squeeze the oil
