Slice zucchini into ⅛ -inch rounds. A mandoline works great. For best results, pat zucchini slices with paper towels to dry them.
1 medium zucchini
In a small bowl, toss zucchini with olive oil, salt and pepper.
1 teaspoon olive oil, ¼ teaspoon salt, or to taste, ⅛ teaspoon coarse ground black pepper, or to taste
Turn air fryer to 400ºF. Put zucchini slices on rack in a single layer.
Cook 5 minutes, shake, cook an additional 5 minutes, shake and cook 2 minutes more, or until zucchini is golden brown and dry.
Video
Notes
Get a head start: If desired, you can prep the zucchini ahead of time. Slice it, put the slices between paper towels to drain, and refrigerate. You can do this up to a day in advance.