Start by preheating the air fryer to 375 degrees. This is a key step to ensuring you have crispy zucchini sticks.
Thoroughly wash the zucchini. Then, cut off the ends. Slice the zucchini in half, to make the zucchini shorter. After that, slice each half into half, to exposure the interior. You will then slice each of those pieces into six or four sticks. I usually get 12 pieces total from the bottom, fatter, half and 8 sticks total from the top, skinny, half. However, it may vary depending on how big your zucchini is.
Grab two small, shallow bowls. In one, whisk the egg until smooth. In the other, mix together the parmesan, flour and seasonings.
One by one, dip each zucchini stick in the egg mixture. Shake off any excess and place into the flour mixture. Completely coat that in the flour. Then, place in your greased air fryer.
Repeat that step for each zucchini stick, until all pieces are coated. However, do not over crowd the air fryer. Be sure not to let any zucchini touch each other. If not all of the sticks fit, do not bread the remaining until you are ready to cook them.
Air fry the zucchini fries for 3 minutes. Then, spray with cooking spray and cook for another 2 minutes.
Flip the zucchini fries over and spray with cooking spray. Then, air fry for another 5 minutes, or until desired wellness is reached.