12slicesof bacon (cooked until crispy and crumbled
4slicesof American cheese
From the ground beef into 4 equal patties. Season on both sides with salt and pepper. Lightly grease the grates of an outdoor grill. Preheat the grill to medium-high heat. Add the burger patties and cook turning at least once, until fully cooked (the internal temperature has reached 160 degrees F.). During the last few minute of cooking top each patty with a slice of American cheese. Cook until the cheese has melted.
To assemble patties: Place one burger patty onto the top of the bottom half of each bun. Top with 3 slices of bacon, another hamburger patty, 3 more slices of bacon. Add ketchup and mayonnaise and place the top part of the bun on top.