Trim the bok choy that may hold the pieces together, and cut them if they are over three inches long. Wash them well to remove any dirt and dry them thoroughly.
Stir-fry the garlic and fresh ginger for 30 seconds.
Heat the wok over high heat. Add the oil and heat until very hot. Add the garlic and ginger and stir-fry continuously for 30 seconds, taking care not to burn the garlic. Add the well-dried bok choy and stir-fry until the leaves begin to wilt. Pour the stock into the wok, add the sugar, and season with soy sauce.
Simmer covered for 2 minutes or until the stems and leaves are tender but still green.
Using a wok or a wide bottom pan with sloped sides makes cooking this dish a breeze.Be careful when cooking with a wok. You must cook under high heat, and the flames can come up from the side of the wok and burn you.Do dry down the leaves after rinsing them. Any water left over coming in contact with the hot oil will fizzle and cause burns.
Giangi's Kitchen provides nutritional information, but these figures should be considered estimates, as a registered dietician does not calculate them.