That's what makes the search for Montana's best burger so much fun. Spotlight on Roadhouse Diner: Montana's Best BurgerAccording to LoveFood, the best fast-food-style burger in Montana comes from a place I've never visited: the Roadhouse Diner in Great Falls. Their pick is the Roadhouse Burger, although one menu item immediately caught my attention: the Death by Bacon Burger, loaded with four slices of bacon and bacon jam. READ MORE: The Ultimate Cheeseburger Guide to MissoulaThe diner has been named Montana's Best Burger by Distinctly Montana for four consecutive years (2022-2025). Every Montana town seems to have that one place locals swear serves the best burger in the state.