Cut beef into slices and add salt, light soy sauce and cooking wine. Mix until the beef absorb all of the seasonings.Add starch and anther 2 teaspoon of water. Mix well and set aside for 15 minutes. Mix in 1 tablespoon of oil before stir frying.
Add around 2 tablespoon of cooking oil in wok, use medium fire and spread the beef slices in and cook until the color changed.
Pour the egg liquid in. Count for 2 seconds, move the egg and then another 2 seconds. Repeat until 8-10 seconds past. Transfer out immediately.
Sprinkle some chopped coriander stem and black pepper. Serve immediately!