Tornado potatoes (korean: 회오리 감자; hoeori gamja), also called twist potatoes or tornado fries, are a popular street food in south korea, originally developed by jeong eun suk of agricultural hoeori inc. it is a deep fried spiral-cut whole potato on a skewer, brushed with various seasonings such as onion, cheese, or honey. some varieties have spliced sausages in between.
Source: Wikipedia