Before you go looking for American hot dogs in Taipei, know this: the convenience-store 大亨堡 and the crispy night-market giant sausage are not the same food at all. Here's where to actually find American-style (and a couple of European-style) hot dogs in Taipei right now, including our own Hotdogray. Places turn over fast here. Check recent Google Maps reviews before you go.
First: 大亨堡 and 脆皮腸 aren't American hot dogs
Taiwan's 大亨堡 is a soft steamed bun around a smooth emulsified pork or chicken frank, with cucumber strips, ketchup and mayo, closer to a breakfast-shop item than a deli product. The night-market 脆皮大熱狗 (crispy-skin giant sausage) is its own thing: an oversized, deep-fried or grilled all-pork sausage, sold on the strength of its casing "snap." Neither is built around chili, mustard or sauerkraut. The whole flavor architecture the American hot dog is built on basically doesn't exist in Taiwan's default version.
What to look for in a real American hot dog: a natural or true casing with an audible snap (not a smooth emulsified frank), a toasted or steamed proper hot dog bun, chili as its own dish (not just ketchup), and house-made toppings. There's no cheap domestic "American hot dog sausage" supply chain here, so almost every shop imports or makes its own. That's why it's a NT$100+ specialty item, not a NT$20 street snack.
The two chili specialists
Hotdogray (inside AI DARTS, East District): the signature is a pure-pork chili slow-cooked with 10+ Mexican and American spices; plenty of American customers take it home by the bag. The story is here.
Jimmy's Hotdog Club (Da'an District, Ln. 52, Sec. 4, Xinyi Rd, ~2 min from Daan Station Exit 5): hand-stuffed sausages; the signature Cheese Beef Chili Dog (NT$149) uses a house-made American-style beef chili with a cheese sauce on top. The most direct comparison to Hotdogray on this list. Tue–Sun 11:00–21:00, closed Mondays.
Two that go furthest on the bun
Salty Dog (Xinyi District, Aly. 8, Ln. 452, Sec. 4, Ren'ai Rd, right around the corner from AI DARTS, near Sun Yat-Sen Memorial Hall): a brioche-style griddled bun (not steamed) with a German-style snap-casing sausage; a corn-and-Mexican-style dog and a shrimp dog are also on the menu. Around NT$130.
ALPHA DOGS (Datong District, 2F, Ln. 49, Chifeng St, Zhongshan Station): retro American-diner styling on the second floor of an old Chifeng St. building, same team as Big Al's Burgers. Reviewers rate the American-style sausage over the German option, with honey mustard and tomato sauce. 11:30–19:30.
European bloodlines: Danish and German
Tulip TimeOut (Songshan District, 1F, No.1-2, Qingcheng St, Nanjing Fuxing Exit 7; a Ximen branch also exists): sausage, sauces, pickles and fried onions are all imported from Denmark, sizes S to XXL. The Danish crispy pork sandwich (NT$125) is the signature; regular hot dogs start at NT$85.
Der Löwe Bavarian Restaurant (Da'an District, B1, Ln. 63, Sec. 2, Dunhua S. Rd, ~7 min from Xinyi-Anhe Station): German-run, genuine German bratwurst. The smoked curry sausage (NT$285) and the traditional sweet-spicy pepper sausage with sauerkraut (NT$380) are the ones to order. Happy hour 17:30–19:00 has NT$180 house beer, good for a follow-on drink. Closed Mondays.
A food cart and an old-school classic
怎麼可以吃狗狗 (mobile food cart, based out of Linkou, roams the greater Taipei area; check @hot.dog_not_dog on Instagram for the week's location): the genuine food-truck entry, hot dog sandwiches from NT$180, flavors rotate.
士林熱狗王 (Shilin District, No.135, Danan Rd, near Shilin Night Market). The classic Taiwanese crispy-skin giant hot dog: original, cheese, spicy, smoked and black pepper flavors, around NT$50. No bun craft, no chili, just the casing snap. The most direct contrast to everything else on this list.
Which of the seven to try first depends on whether you want chili or the crispy-skin bite. If you want Hotdogray's signature chili, AI DARTS is in the East District with 24-hour dartboards: menu here.