What is "pretzel"?

Pretzels are a type of snack food made from dough that is shaped into a knot and boiled in a saltwater solution before being baked. They are usually salted and can be served plain or with various toppings such as cheese or mustard. Pretzels are a popular snack in many countries, and are often served as an appetizer or side dish. They are a convenient and tasty way to enjoy a snack, and are a great source of carbohydrates and fiber.