Bocadillos are a type of sandwich popular in Spain, typically made with a crusty bread called baguette. They are filled with a variety of ingredients, such as cured meats, cheese, vegetables, and spreads. Bocadillos can be served cold or hot, depending on the filling and personal preference. These sandwiches are often enjoyed as a quick snack or light meal and are commonly found in tapas bars and cafes throughout Spain. Bocadillos are versatile, allowing for endless combinations of flavors, making them a favorite among locals and visitors alike.