In a hot pan on medium / high heat, saute pork mince, ginger, garlic with oil until fragrant and meat browned.
Add Shaoxing wine into the pan and allow the wine to evaporate for about 20 seconds.
Add remaining pork mince sauce ingredients.
Bring pork mince sauce to the boil then turn the heat down to low and simmer for 5 - 8 minutes or until sauce has reduced by a third. Once the sauce has reduced, it is ready to serve.
Whilst pork sauce is reducing, cook noodles according to packet instructions. Once noodles are cooked, rinse under cold tap water for about 10 seconds in a colander. (see note 1) Reserve noodles cooking water.
Boil bok choy in noodles cooking water for about 2 - 3 minutes.
Arrange serving bowls with noodles and bok choy, spoon pork mince sauce and 2 tablespoon of noodles cooking water on top of noodles and serve immediately. (see note 2)