Cook bacon to crispy, (not burnt.) set aside...Mix hamburger, bread crumbs, worcestershire sauce, garlic salt,egg, italian seasoning, salt and pepper together. Layer bottom of a 2 quart cooking dish with 1/2 of the mixture. Layer bacon on top of mixture, then place the cheese on top of bacon. Place the rest of the mixture over the cheese and sprinkle onion salt on top. Cook at 375 degrees for 1 hour, or until browned on top... Serve with bread, or salad.