How to Make Onion Cheeseburgers
- Combine all ingredients except cheese.
- Form 1/2 of the meat mixture into patties.
- Quarter each slice of cheese and place 4 quarters on each patty.
- Cover each patty with remainder of meat mixture and press to seal edges.
- Grill or cook over medium heat until patties are cooked through and cheese is melted.
- Serve with desired condiments & garnishes.