Material preparation: a bowl of mulberry, a bottle of white wine, a plate of rock sugar, etc.
1. soak mulberries in clean water for 30 minutes.
2. Wrap the rock sugar in cloth, break it and put the broken rock sugar aside.
3. Prepare a clean jar and pour a little white wine to disinfect it.
4. Drain the water soaked in mulberry, and add mulberry and sugar layer by layer.
5. Pour in white wine and let it stand for one month.