A burger is a popular food item consisting of a cooked patty, usually made from beef, placed inside a sliced bun. It can be served with various toppings such as lettuce, tomato, cheese, and pickles, allowing for a wide range of flavors and styles. Burgers are often grilled or fried and can be found in many restaurants and fast-food chains around the world. The origins of the burger can be traced back to the late 19th century in the United States, where it gained popularity as a convenient meal. Today, burgers come in many variations, including vegetarian and vegan options, catering to diverse dietary preferences.