Preheat the grill to medium-high heat
Form ground beef into patties about 3/4 inch thick
Make a small indentation in the center of each patty
Season both sides with salt and pepper
Oil the grill grates lightly
Place patties on the grill
Grill for 3 to 5 minutes on the first side
Flip the patties once
Grill for another 3 to 5 minutes for medium doneness
Add cheese during the last minute if desired
Check for desired doneness with a meat thermometer if needed
Remove burgers from the grill
Let them rest for a few minutes
Serve on buns with desired toppings