1, cut the old tofu into 2-3 cm square pieces, fry them and take them out for later use;

2. Slice pork tenderloin, then add 5g cooking wine, salt and 5g starch, mix well and marinate for 20min. Cut onion, ginger and garlic into powder respectively for later use;

3. Heat the oil in the pot to 40% heat, change to medium and small heat, add onion, ginger, garlic, stir-fry pepper and pepper.

4. Add the marinated tenderloin and stir fry quickly;

5. When the meat slices become discolored and mature, add the fried tofu and stir fry for a while, then add the soy sauce, pour in the appropriate amount of water starch, and add the sugar and mix well.