Burger King is a well-known fast food chain that has several locations in Lisbon. They are famous for their flame-grilled burgers, which are made with 100% beef patties and served on a toasted bun. The menu offers a variety of options, from classic Whoppers to specialty burgers with unique toppings. Burger King also offers vegetarian and chicken options for those looking for alternatives. The restaurants have a casual and family-friendly atmosphere, making them a convenient choice for a quick and satisfying burger meal.