Hash browns or hashe browns are a simple potato preparation in which potato pieces are pan-fried after being shredded, julienned, diced, or riced. In some cultures, hash browns or hashed browns can refer to any of these preparations, while in others it may refer to one specific preparation. In parts of the UK, hash browns can mean fried left over mashed potato. Hash browns are a staple breakfast food at diners in North America, where they are often fried on a large common cooktop or grill.