How can I make delicious burgers in a cast iron skillet?

To make delicious burgers in a cast iron skillet, start by preheating the skillet over medium-high heat. Season the ground beef with salt and pepper, then form it into patties. Cook the patties in the skillet for about 3-4 minutes per side, or until they reach your desired level of doneness. Add cheese on top of the patties during the last minute of cooking, if desired. Serve the burgers on toasted buns with your favorite toppings.