Cook the bacon by laying the strips in the air fryer and air frying for 6 minutes at 360°F. Flip each piece and cook for another 5-6 minutes until crispy. Set the strips aside to cool, then crumble while the perogies cook.
Next, place the frozen perogies in the air fryer, fitting as many as possible without overlapping or crowding the basket. Then, lightly spray the tops of each with cooking oil.
Air fry at 400°F for 6 minutes, flip each one, then lightly spray with cooking oil. Air fry for another 5-6 minutes or until lightly browned.
Optional Step: Open the air fryer basket and sprinkle shredded cheese on top of the perogies, then air fryer for an additional 3 minutes at 350°F or until the cheese is melted.
Remove from the air fryer and top with crumbled bacon, sour cream, and chopped parsley.