Steps:

1. Cut the bark into small pieces

2. Put the bark into an air fryer, brush it with a layer of oil

3, and bake it at 18 degrees for 2 minutes

4. Sprinkle with Chili powder, cumin powder and a little salt, and mix well

.

Tip: sweet potato skin is a common vegetable string in Sichuan and Chongqing, mainly a cake skin made of sweet potato powder. Just baked sweet potato skin, the epidermis will have many small bubble-like protrusions, so you must eat it while it is hot, so it will have a fried flavor.