2. The oil pan is hot.

3. Pour in onions and green peppers.

4. stir fry slowly.

5. Stir fry until the onion is slightly soft and add salt.

6. continue to stir fry.

7. Stir fry until the onion becomes soft.

8. Onions contain prostaglandin A, which can reduce peripheral vascular resistance and blood viscosity, and can be used for lowering blood pressure, refreshing, relieving stress and preventing colds. In addition, onion can also scavenge oxygen free radicals in the body, enhance metabolism, resist aging and prevent osteoporosis. It is a health food suitable for middle-aged and elderly people.