The materials that need to be prepared in advance are: grape 15kg and rock sugar 3kg.
1. Step 1, wash and drain the grapes with clean water and a spoonful of flour.
2. Remove the grape stalks.
Wash your hands and crush the grapes.
4. Put all the rock sugar into the pinched grapes, cover them with plastic wrap, and then cover them and seal them.
5. Seal for 30 days, and filter out impurities when it's time.
6. Pour it out so that the wine is finished.