1. Wash shredded mustard and drain it

2. Marinate tenderloin with salt slightly

3. Stir-fry shredded pork with appropriate amount of onion

4. Stir-fry shredded pork in a hot pan with cool oil

5. Stir-fry shredded pork with onion until it changes color

6. Stir-fry shredded mustard with high fire

7.