450 grams / 1 pound Chinese Broccoli or Bok Choi - also broccoli or broccolini
For the sauce:
1 tsp corn starch (3 grams)
3 tbsp water
1 tbsp oyster sauce
1 tsp soy sauce
1 tbsp Chinese cooking wine
1/2 tsp sesame oil
1/2 tsp sugar
For the stir-fry:
rice bran oil for the Wok or frying pan
2 clove garlic, finely chopped
2 tsp ginger, grated