Roughly one in seven people in Taiwan eats vegetarian, among the highest proportions recorded anywhere. The causes are layered. Buddhist and Daoist observance set the base. The I-Kuan Tao movement, which spread across the island after 1949, added a large lay population keeping meat-free kitchens at home. Regulation did the rest: since 2009, packaged food sold in Taiwan must declare whether it is sù shí (素食) — pure vegetarian — or contains onion, garlic and the other pungent roots. That labelling culture is why Taipei food tour vegetarian tours can be assembled at all, in a city otherwise built on pork fat and bone broth. The night markets supply the raw material. Ningxia, off Minsheng West Road, is the compact one — a single lane of roughly sixty stalls, several meat-free by design. Raohe Street runs six hundred metres from the Ciyou Temple gate, lanterns strung in a double row. Shilin is the largest and the loudest. At each, a green 素 character taped to a stall front marks a vegetarian kitchen, read the way a shopper elsewhere reads a certification mark. Temple kitchens nearby have served pilgrims free meat-free meals for over a century, and that habit trained the palate that vegetarian Taipei street food walks now trade on. The cooking is not imitation. Wheat gluten is braised until it carries the chew of tendon. Taro is steamed, mashed and dropped into cold sweet soup as pale balls. Tofu skin arrives layered and fried, dry as pastry. Dòujiāng — warm soy milk, sometimes curdled with vinegar into a savoury bowl — anchors the breakfast trade, poured beside shāobǐng and yóutiáo since the 1950s. Douhua, silken tofu pudding, is scattered with peanuts and crushed taro. Stinky tofu, fermented in a brine of vegetables and rice wine, is the market's most argued-over dish and, in its classic form, entirely plant-based. Guided walks formalised what residents already did. Small-group operators now run breakfast and dinner routes, private tastings of ten local dishes, and hands-on cooking classes, adapting standard menus for vegetarian and vegan guests on request. Seen this way, a Taipei food tour vegetarian tour is less a niche product than a reordering of the city's default menu. The same stalls, the same steam, a different plate — and vegetarian night market tours have become one of the more reliable ways to read Taipei at street level.