Hot dog buns are a type of bread roll that are specifically shaped and sized to hold a hot dog or sausage. They are typically soft and fluffy, and have a slightly sweet taste that complements the savory flavor of the hot dog.
Hot dog buns are usually made from flour, water, sugar, yeast, and salt. The dough is allowed to rise before being shaped into long, cylindrical rolls that are then baked. The rolls are usually sliced down the middle, but not all the way through, so that they can be opened up to hold the hot dog or sausage.
In addition to being used for hot dogs, hot dog buns can also be used for other types of sandwiches, such as lobster rolls or pulled pork sandwiches. They can be eaten plain or toasted, and are often served with condiments such as ketchup, mustard, relish, or sauerkraut.