1. Add a little starch to the grapes and wash them well
2. Separate the peel and pulp
3. Put a small milk pot into the grape skins, add water, drip a small amount of lemon juice, and boil on high heat to get the color
4. Scoop out the grape skins
5. Add rock sugar
6. Add ice powder and stir evenly
7. Let it cool slightly, pour it into a cup and put it in the refrigerator until the solution solidifies
8. Remove and add coconut milk or milk
9. Stir evenly
Tips:1. It will be cleaner to wash grapes with starch or flour
2. Because I put it in the cup, I put it in the refrigerator and wrapped it in plastic wrap
