Preheat a cast-iron skillet or griddle over medium-high heat.
Divide the ground beef into 4 equal portions.
Shape each portion into a loose ball without overworking the meat.
Season the meat balls with salt and pepper.
Place the meat ball on the hot skillet and smash it down with a spatula.
Cook for about 2-3 minutes until a crust forms.
Flip the patty and add a slice of cheese on top.
Cook for an additional 1-2 minutes until the cheese melts.
Toast the burger buns on the skillet until golden.
Assemble the burger with your choice of toppings and condiments.