Method steps:
1. Wash ginger, peel it, and grind it into ginger paste with a pulverizer.
2. Put ginger into brown sugar and mix well.
3. Cover the brown sugar ginger with two layers of plastic wrap.
4. Boil the water in the pot, add brown sugar and ginger, cover with medium heat and steam for 30 minutes.
5. Take out the plastic wrap and dig a spoonful of boiling water to serve. You can put it in the refrigerator at ordinary times.