1mix together ground beef, Italian seasoning and garlic salt. Shape into 8 patties. Fry in skillet or on griddle. Meanwhile, lay out all hamburger buns(split) on cookie sheet, face up. Spread a layer of pizza sauce on tops and bottoms of buns. Then lay a patty on each bottom half...top patty with 1 tsp pizza sauce, shredded cheese and top with pepperoni. Do not top the burgers with the top buns, keep open faced. Place on top rack of oven and bake at 375 till toasted and cheese is melted. Remove from onion, put burgers together and there you have the best pizza burger youll ever put in your mouth! Enjoy!