1. Wash a piece of mustard
2. Cut into pieces
3. Dice beef, put a little salt and cooking wine to marinate for a while
4. Cook the rice in a pot until it's 8 minutes cooked
5. Add a spoonful of cooking oil, mix well, cook for five minutes
6. Add the beef, stir quickly, and cook for a while
7. Add the mustard and boil
8. Finally, add salt according to your taste
