Cook the potatoes in an air fryer with a container for 30 minutes at a temperature of 400 degrees Fahrenheit. Turn the potatoes over and continue cooking them for an additional five minutes to fifteen minutes, depending on their size, or until a utensil can easily pierce through to the center. The cooking time for smaller potatoes is going to be shorter, while the cooking time for larger potatoes is going to be prolonged. To move the potatoes from the bowl to the platter, use tongs.