Preheat air fryer to 375°F (190°C) for 3 minutes
Place frozen burger patties directly in air fryer basket
Season tops with salt pepper and garlic powder
Cook for 7 minutes then flip carefully
Season other side with salt pepper and garlic powder
Cook another 6-8 minutes until internal temp reaches 160°F
Add cheese slice on top of each patty
Cook 1-2 more minutes until cheese is melted
Remove burgers and rest for 3 minutes
Place buns cut side up in air fryer at 375°F for 2 minutes
Assemble burgers with your favorite toppings
Serve immediately