1. Soak the soybeans seven or eight hours in advance
2. Purple sweet potato slices
3. Hawthorn cakes are sold in four or five packets in supermarkets. Don’t buy dried hawthorn slices.
4. Soybeans boiled in water
5. Put a piece of purple sweet potato in the soy pot with water and steam it on high heat for 20 minutes
6. After cooking, put all the ingredients into the cooking machine. Don’t put too many two or three pieces of the steamed purple potato. Add a spoonful of yam powder.
7. Put on the food processor and add an appropriate amount of boiled water. If you like the thicker, add less boiled water, and if you like to drink the thinner, add more boiled water.
8. Finished picture, fragrant and sweet
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