1. Prepare the ingredients: as shown in the picture, soy beans, purple sweet potatoes, yams, rock sugar soaked overnight.
2. Put all the ingredients into the wall-breaking machine, add an appropriate amount of pure water, and activate the thick soy milk button (the thickness depends on everyone's preference).
3. Finished in half an hour.
4. Skim the foam.
5. Finished picture.
6. Finished picture.
