Add mayonnaise, Parmesan cheese, and black pepper into a small mixing bowl and whisk until well incorporated. Season to taste with salt.

Preheat grill to 350 degrees F using direct heat. Set a 10-inch cast iron pan over the heat and place 4 halves of bacon strips in the pan. Fry about 6 to 7 minutes on both sides until fully cooked to desired doneness, being careful not to burn.

Thaw hash browns in refrigerator for 2 hours. Preheat grill to 350 degrees F using direct heat. In a 10-inch cast iron pan, add vegetable oil and place on grill.

Once oil begins to shimmer, pan fry hash browns on both sides until golden brown, about 3 minutes on each side; closing grill lid after flipping each time. Once hash browns are golden brown on both sides, place one slice of American cheese on each hash brown to melt, about 30 seconds.

Preheat grill to 350 degrees F using direct heat. In a 10” cast iron pan, add vegetable oil and oil and place on grill.

Once oil begins to shimmer, fry egg for 30 to 40 seconds, lightly seasoning salt and pepper on one side, then flip and fry another 30 seconds for runny yolk. For fully cooked egg, cook an additional 15 to 20 seconds on each side.

Season both sides of burger with salt and pepper.

Place burgers on grill and cook 4 to 5 minutes per side for medium doneness; grill longer, if desired, for further doneness.

Add one slice of American cheese on top of each burger, close grill lid, and cook for about 30 more seconds to melt cheese. Remove patties from grill to clean plate.

While burgers are grilling, spread ½ t. of mayonnaise on each cut side of the bun. Place cut sides down on the grill grates. Toast about 20 to 30 seconds, or until buns are well toasted, being careful not to burn.

*Add ketchup and/or mustard to burger, if desired.