Kosher salt and freshly ground black pepper 4 deli-cut slices American or cheddar cheese 4 hamburger buns, toasted Condiments and toppings as desired Divide the meat into four 8-ounce portions and gently shape each one into a patty 4ẵ inches wide by approximately ắ inch thick Place on a flat surface and create a dimple in the center of each patty by pushing down with three or four fingers: the dimple should be about ¼ inch deep and inches across Season the burgers generously with salt and pepper Refrigerate until ready to use TO COOK ON THE GRILL Ignite a large chimneyful of charcoal When the briquettes are coated in gray ash, pour out and spread evenly over one side of the grill Place the cooking grate in place Or, if using a gas grill, heat one set of burners to high and leave the others off Scrape the cooking grate clean Place the burgers on the cool side of the grill, as far from the heat as possible, cover, and cook until an instant-read thermometer inserted in the center of the burgers reads 110°F for medium-rare, or 120°F for medium, 10 to 15 minutes Uncover the grill and transfer the burgers to the hot side Cook until the first side is well charred, about minute Flip the burgers and add the cheese Continue to cook until the second side of the burgers is charred and the cheese is melted, about minute longer The center of the burgers should read 130°F for medium-rare, or 140°F for medium Assemble the burgers, topping them as desired, and serve TO COOK UNDER THE BROILER Preheat the broiler to high Place the patties on a foillined broiler pan and position it so that tops of patties are 2½ to inches below the broiler element Broil until the tops are well browned and beginning to char, about minutes Flip the patties and broil until an instant-read thermometer inserted in the center reads 130°F for medium-rare, or 140°F for medium, about minutes longer Top each patty with a slice of cheese and place back under the broiler for about 25 seconds to melt it Place on the toasted buns, topping the burgers as desired, and serve ... minute longer The center of the burgers should read 130°F for medium-rare, or 140°F for medium Assemble the burgers, topping them as desired, and serve TO COOK UNDER THE BROILER Preheat the broiler... Preheat the broiler to high Place the patties on a foillined broiler pan and position it so that tops of patties are 2½ to inches below the broiler element Broil until the tops are well browned and... tops are well browned and beginning to char, about minutes Flip the patties and broil until an instant-read thermometer inserted in the center reads 130°F for medium-rare, or 140°F for medium, about