1. Prepare the materials
2. Tenderloin cuts
3. Marinate the cooking wine with salt and pepper starch for 15 minutes
4. Cut pineapple into large pieces and soak in salt water for a while
5. Cut green and red peppers into large pieces
6. Add egg starch to the meat and deep-fry it into golden brown
7. Fish it out and blow it again
8. Soy sauce soy sauce, vinegar, tomato sauce, sugar brine, and juice
9. Add oil to the pot, pour the sauce into the pot, put green and red peppers
10. Add pineapple and tenderloin and stir fry
11. Thicken the juice and get out of the pot
