1. Ingredients: 400 grams of tenderloin, 80 grams of tomato sauce, 150 grams of starch, 200 grams of pineapple chunks, 15 ml of white vinegar, 1 gram of white pepper, 5 grams of salt, 20 grams of sugar, 30 grams of Merlin tomato paste, 10 grams of cooking wine, and 20 grams of water Gram, 1 egg, 100 grams of colored pepper
2. Preparation of sour sauce: Put 5 grams of tomato paste, sugar, vinegar, water, salt, 5 grams of Merlin tomato paste, and 5 grams of starch in a bowl, mix well and set aside
3. Put the tenderloin in a bowl, add salt, white pepper, and cooking wine, stir well and marinate for 10 minutes, add 1 egg, stir well, pour starch, stir evenly
4. Heat oil in a pan, add tenderloin and fry for 4 minutes, color and remove
5. Heat oil in a pan, pour in the prepared sour sauce, stir-fry, add meat, pepper, and pineapple, and stir-fry well.
