Onion rings are a popular snack or side dish made from slices of onions that are dipped in batter or breadcrumbs and then deep-fried until golden brown. They are known for their crispy exterior and soft, sweet interior, making them a favorite at many restaurants and fast-food chains. Typically served with a variety of dipping sauces, such as ketchup or ranch dressing, onion rings can be enjoyed on their own or as an accompaniment to burgers and sandwiches. They are often found on appetizer menus and are loved for their satisfying crunch and flavor.