Tornado-Gamja

A whole potato spiraled on a skewer, deep-fried to a golden crisp, and seasoned with various flavored powders.

Tornado gamja, also called hweori gamja (spiral potato), is a visually spectacular street snack in which a whole potato is threaded onto a bamboo skewer, cut with a special helical blade, and then stretched out like a spring before being deep-fried until the outside shatters with crispness while the inside stays fluffy. The snack became popular at Korean theme parks and tourist streets in the 2000s and has since spread to street food markets worldwide, often credited as a Korean innovation in the global street food scene. After frying, vendors dust the potato spiral with seasoning powders — choices typically include original salt, sour cream and onion, honey butter, spicy cheese, and more, reflecting Korean snack culture's love of novel flavor mashups. The interactive nature of eating a potato stretched along a full skewer makes it a popular choice for couples and families strolling outdoor markets. It is a particular favorite at places like Insadong Ssam-zi-gil and the Korean Folk Village, where the smell of hot oil and seasoning powder is part of the atmosphere. Despite its novelty, the tornado potato is deeply rooted in Korean affection for gamja (potato) as a comfort ingredient.