Place gizzards in a medium size bowl and coat with salt. Fill with water and soak for 2 hours.Rinse thoroughly.
Place gizzards in a sauce pot full of water, bring to a boil and simmer for 30 minutes. While simmering, prepare the egg and breadcrumb mixture.
In a small bowl, beat the egg until light and frothy. In a medium dish, blend together the breadcrumbs, Parmesan cheese, and seasoning of choice. Drain the gizzards and set aside to cool off.
Place the gizzards in the bowl of beaten egg and thoroughly coat the gizzards. Put several gizzards at a time in the breadcrumb mixture and toss to coat. Repeat until all are well coated.
Preheat air fryer to 400 F for 5 minutes. Spray inside of basket with non stick spray. Place coated pieces in a single layer in the air fryer. Cook at 400 for 6-8 minutes or until crispy as desired on the outside. Serve warm