Procedures: 1  You can slice or julienne the beef, this is entirely up to you. 2  Cut the broccoli into small individual florets. 3  Heat up a wok with oil, stir fry the ginger and garlic first then add beef and stir-fry for 1 minute.  Wash the wok and dry 1  it. Stir in potato starch water and cook for 20 seconds.