Soy Sauce King (酱油王)

Source: Good Food Fun Cook 餐餐宝, 餐餐好 Episode 2

Can use over steam fish 

Ingredients:

Spring onion, cut green part into ~1 inch length

Old ginger, slices

Water to prepare sauce

Rock sugar, quantity according to own liking for sweetness

Oyster sauce, 1 tbsp

Method:
1. Saute ginger slices and spring onion.  Add a little water.  When boil, add rock sugar according to own liking for sweetness.  Finally add oyster sauce and stir well.

2. Turn off heat and filter before use.