1, prepare the washed sweet potato first.

2. Put the sweet potato in the pot for 15 minutes;

3. After the sweet potato is slightly cooled, cut into sweet potato slices with a thickness of about 0.5cm;

4. Put the cut sweet potato slices on the drying rack one by one;

5. Put the sweet potato slices in a sunny and ventilated place to dry;

6. After 1 day drying, the surface of sweet potato has been very dry and cool.

7. After three days of drying, the dried sweet potatoes basically have no moisture, and you're done. Put it in a sealed can and keep it in the refrigerator.