The black truffle is good. Black truffle Hanley is Angus beef patty, drizzled with a thick layer of black truffle cheese sauce, and then covered with two slices of cheeseburger juicy patty with fresh black truffle sauce entrance feel full of black truffle flavor, double the meat double the pleasure. Burger King Big Mouth Beef Patty with other Angus beef patties, beefy and full of flavor at the same time there is a smoky flavor, no black truffle burger taste tender and juicy, more like McDonald's Angus beef patties, the meat is more compact. The black truffle is a wild edible fungus that grows underground and has a rugged appearance and a color between dark brown and black.