01 -
Mix mayo, ketchup, and minced pickles in a bowl. Chill until needed.
02 -
Divide beef into 3 equal parts. Form into patties slightly larger than buns, about 1/2 inch thick. Make a thumb indent in center.
03 -
Sprinkle salt and pepper on both sides of each patty.
04 -
Add 1 cup water to air fryer bottom. Spray basket with cooking spray.
05 -
Air fry at 350°F for 8 minutes. Add cheese, cook 1-2 minutes more until melted.
06 -
Optional: Toast buns in air fryer for 1 minute.
07 -
Build burgers with sauce, lettuce, tomato, and onion on toasted buns.