Start by seasoning both sides of the beef patties with kosher salt and heavily season all sides including the rim with course black pepper.
slice a yellow onion into think half moon pieces and add to a cast iron skillet. Slice or cube up a few strips of bacon and top it over the onions. Season everything with a BBQ seasoning.
Preheat the grill to 220 degrees Fahrenheit. Place the seasoned beef patties on the top rack and the onion and bacon filled cast iron skillet on the lower rack just below the beef.
Once the onions are sautéed and the beef patties hit an internal temperature of 155 degrees, add 2 slices of cheese to each patty and allow 5 minutes for it to melt.
For the burger sauce, in a mixing bowl add equal parts mayo, ketchup and relish. Mix the ingredients together
Assemble the smoked pub style burger and enjoy!
Notes
Make sure the beef patty is 1 inch thick and compact tight.If you don't like American cheese, use the one you like best.Make sure to mix the sautéed onions periodically as they smoke under the beef patties.