1. The ingredients are very simple: small sweet potatoes bought for 5 yuan
2. Use a knife to remove the head and tail of the small sweet potato, and scrub it with a brush
3. Wash the small sweet potatoes and remove them
4. Wipe dry with paper towels
5. After the moisture is dried, put it in the air fryer
6. 200 degrees for 30 minutes, turn over the little sweet potato halfway
7. It's ready to be baked at last
