Clean the ginger root first, and then cut the ginger into small pieces.
Pour the diced ginger into the pot and stir fry slowly over low heat. Stir fry until the ginger slowly turns into a darker color and the ginger is dry, add longan and stir fry.
Immediately add brown sugar, stir and cook evenly. When the brown sugar slowly melts into a syrup, you can boil it again, then it can be poured into the mold and cut cold.
When it is still slightly warm, cut the brown sugar ginger into pieces, and it can be stored in a glass bottle after it is kept cold and refrigerated.
When you want to drink, take a piece of brown sugar ginger and dissolve it in warm water and drink it!