Carefully wash mushrooms and slice off just the bottom of the stem. Pat dry mushrooms and cut in half.
Crack an egg into a medium bowl and whisk well.
Add mushrooms to egg wash and mix to coat completely.
To the bowl of a food processor, add pork rinds, Parmesan cheese, parsley, garlic, salt, paprika and basil and process until well combined.
Dump dry mixture into a medium bowl or baggie.
Dump mushrooms with egg wash into dry mixture and shake to coat completely
Coat basket of air fryer with coconut oil or spray with olive oil and and place mushrooms into basket. Lightly spray with oil.
Cook at 380 degrees for 10 minutes, shaking/turning over the mushrooms half way through.
After 10 minutes, increase temperature to 400 degrees and cook for 30 seconds to one minute to crisp. Remove mushrooms to a plate.
Serve mushrooms with garlic butter.