1. Wash the steak to remove the fascia (you can also buy round steaks online)
2. Use kitchen paper to absorb excess moisture from the steak
3. Spread salt and pepper on both sides of the steak and marinate for 10 minutes
4. Wash the onion, red pepper and celery leaves
5. Set the onion and red pepper into diced pieces
6. Oily olives, pitted and diced
7. Use a small dish to hold 10 grams of balsamic vinegar and set aside
8. Pour the right amount of olive oil into the non-stick pan and add the steak
9. The steak is cooked on both sides and turn off the heat (you can also eat the 7-minute cooked one)
10. Cut the steak into diced pieces and set aside
11. Add balsamic vinegar to a non-stick pan
12. After adding onions, red peppers and olives
13. Add beef cubes
14. Stir fry the ingredients in the pot
15. The salty long bread is divided into two parts (the salty long bread recipe has a production method in the previous article
16. Cut the bread horizontally, don't cut it
17. Add steak meat to the bread
18. Sandwich with coffee, you can eat western food at home
Tips:1. You can read my last recipe for making salty long bread
2. The ingredients in the recipe can be adjusted according to your own preferences
3. It is recommended to fry the beef thoroughly