Prepare the scallops by patting them thoroughly dry with paper towels. This is crucial for achieving a good sear, so take your time with this step.
Remove the side muscle from each scallop if still attached. Look for a small, rectangular tag of tissue on the side of the scallop and simply peel it away with your fingers.
Preheat your air fryer to 400°F (200°C) for 3-5 minutes to ensure it’s properly heated.
Season the scallops by drizzling them with olive oil and sprinkling with salt, pepper, and garlic powder if using. Gently toss to coat evenly.
Place scallops in the air fryer basket in a single layer with space between each one. Work in batches if necessary to avoid overcrowding.
Cook for 5-6 minutes until the scallops develop a golden-brown crust. There’s no need to flip them during cooking.
Check for doneness by ensuring the scallops are opaque throughout and have an internal temperature of 125°F (52°C). They should be firm but still slightly springy when pressed.
Drizzle with fresh lemon juice immediately after removing from the air fryer.
Garnish with fresh parsley and serve immediately with lemon wedges on the side.