Steps:

1. Peel the potatoes, clean them, cut them into pieces, steam them on high fire for 10 minute, mash the steamed potatoes, add appropriate amount of salt, chopped black pepper and starch, and mix well for later use.

2. Knead mashed potatoes into pieces, press out waves with chopsticks, put them in an air fryer, brush a thin layer of oil on the surface, and bake them in the air fryer for 25 minutes at 180 degrees.