Preheat a skillet, grill, or air fryer to medium-high heat
Place frozen burgers directly on the cooking surface
Season the top side with salt and pepper if desired
Cook for 5 to 7 minutes
Flip the burgers
Season the other side if desired
Cook for another 5 to 7 minutes
Check that the internal temperature reaches 160°F
Add cheese during the last minute if desired
Remove the burgers and let them rest for 2 to 3 minutes
Serve on buns with desired toppings