1. Ingredients: appropriate amount of beef, appropriate amount of chili noodles, appropriate amount of egg white, appropriate amount of starch, appropriate amount of salt, appropriate amount of sesame oil, appropriate amount of pepper oil.

2. Slice beef. Because beef has thick fiber and is harder to chew than pork, it cannot be cut along the grain. Cutting across the grain is easy to chew.

3. Add salt to the cut beef slices and add some egg white. The egg white can make the beef taste more tender. Mix the meat and seasonings with your hands, and pinch the meat back and forth to absorb the flavor.

4. Add some sesame oil and peppercorn oil, mix well and let the meat absorb the oil. The beef will absorb the fat and taste rich, and will not appear tough.

5. Add starch, add appropriate amount of water, mix well and activate as in the previous step.

6. Add chili powder, add according to personal taste, mix well and beat in the same way.

7. After mixing, leave the meat for a quarter of an hour to make the meat more flavorful.

8. After a quarter of an hour, the spicy beef slices will be ready.