The delicious way to stir-fry tomatoes and green peppers is as follows:

1. Cut peppers, tomatoes and onions for later use.

2. After the oil in the pot is hot, add the onion and garlic and stir fry to taste.

3. Pour in green peppers and add some salt.

4. Add tomatoes and stir-fry until soft, and pour in appropriate amount of soy sauce and oyster sauce.