Preparation materials: appropriate amount of grapes and a little rock sugar.
1. Wash the bought grapes for later use.
2. Squeeze the washed grapes dry by hand, put them into a health pot, and add a proper amount of water.
3. Turn on the function of scented tea and simmer until the color of the grapes precipitates and the grapes turn white.
4. Pick up the grapes and sieve them, and gently press them with a silicone scraper.
5. Add a little rock sugar while it is hot.