1, prepare the materials.
2. Cut the tenderloin into pieces.
3. Marinate with cooking wine, salt, pepper and starch for 15 minutes.
4. Cut the pineapple into large pieces and soak it in salt water for a while.
5, green and red peppers cut into large pieces.
6. Add egg starch to the meat and fry in the oil pan until golden brown.
7. Take it out and fry it again.
8, soy sauce, soy sauce, vinegar, tomato sauce, sugar, salt, water to make juice.
9. Add oil to the pot, pour the juice into the pot and put green and red peppers.
10, add pineapple and tenderloin and stir fry.
1 1, thicken the juice and serve.