Sprinkle the eggplant slices with ½ teaspoon Kosher salt on both sides and place on a paper towel for 20 minutes to absorb any liquid. Flip the slices halfway through to absorb the other side.
Whisk 1 egg in a small bowl and set aside.
Combine the ½ cup panko breadcrumbs, ⅓ cup all-purpose flour, ½ teaspoon Italian seasoning, ¼ teaspoon garlic powderand ¼ cup grated parmesan cheese in a medium bowl.
Dip the eggplant slices into the egg mixture to coat both sides.
Dip the egg coated slices in the panko mixture to coat both sides then place aside on a plate.
Place them in a single layer in the air fryer basket. Spray both sides of the breaded eggplant with olive oil spray! Cook at 375 degrees Fahrenheit for 15-20 minutes until the eggplant slices are golden brown. Flip the eggplant slices halfway through the cooking time. Work in batches if necessary.