Nagasaki: The City Where 250 Years of Isolation Cooked Up Japan's Strangest Food

By Tomás Rivera

Madrid-born food critic and nightlife connoisseur. Tomás has been reviewing tapas bars and underground music venues for 15 years. He knows every back-alley gin joint from Mexico City to Manila and believes the night reveals a city's true character. He came to Nagasaki for the champon and stayed for the contradictions — a city where geishas once served Portuguese stew under Chinese lanterns, and where the best drinking happens in alleys that haven't changed since the Occupation.

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Most people come to Nagasaki for the history and leave talking about the noodles. This is not an accident. The city spent 250 years as Japan's only open port, and the food shows it. Portuguese, Chinese, and Dutch influences did not just visit here. They stayed, married into local kitchens, and produced dishes that exist nowhere else in Japan.

I have eaten in forty countries. I have never found a food culture this small that packs this much strangeness into every bite. A sponge cake from 1624. A noodle soup invented for hungry students in 1899. A banquet that fuses Chinese vegetarian temple food with Dutch trade goods and Portuguese technique. And then there is Turkish Rice, which has nothing to do with Turkey and looks like a joke on a plate until you taste it and understand that Nagasaki does not care what you think.

This guide is not a day-by-day itinerary. Nagasaki's food does not work that way. You eat by neighborhood, by craving, by the hour. You start with the original bowl, then you follow the trail through Chinatown, through the entertainment district, through back alleys where the oden simmers in flying-fish stock and the regulars do not bother with menus. You eat champon at noon, castella at four, shippoku at eight, and ramen at two in the morning when the bars close and your stomach is making demands.

The Original Bowl: Champon at Shikairou

The first thing you need to understand is champon. Not the mass-produced version sold at highway rest stops across Kyushu. Real Nagasaki champon. The dish was invented in 1899 by Chen Heijun, the founder of Shikairou, a Chinese restaurant that still occupies a five-story building overlooking the harbor at 2-11 Hamamachi.

Chen created it to feed hungry Chinese students with something cheap, hot, and filling. He stir-fried pork, seafood, and cabbage, then simmered everything in a pork-and-chicken bone broth with thick, chewy noodles cooked directly in the soup. The result is a bowl that is neither ramen nor Chinese soup. It is its own thing.

Shikairou remains the essential starting point. The restaurant opens at 11:30 AM and closes at 3:00 PM for lunch, then reopens from 5:00 PM to 8:00 PM. A bowl of champon costs ¥1,000 (approximately $6.70 USD). The fifth-floor dining room has harbor views that justify the building's reputation, though the real find is the free Champon Museum on the second floor, which traces the dish from student sustenance to city icon. Expect crowds. This is the birthplace, and everyone knows it.

Phone: +81-95-822-1296
Credit cards: Accepted
English menu: Available
Tip: Arrive by 11:15 AM if you want a window seat on the fifth floor. The lunch rush starts early and the elevator only holds six people.

Chinatown: One Crossroad, Eight Centuries

For a different broth, walk to Shinchi Chinatown. The neighborhood is Japan's oldest Chinatown, though that sounds grander than it is. The entire district spans one crossroad and its immediate surroundings, roughly one-tenth the size of Yokohama's. The quality holds up.

Kozanro, located inside Chinatown's main gate at 10-6 Shinchimachi, serves a deluxe champon for ¥1,575 with a noticeably richer, creamier seafood stock. The building has a main hall and a newer annex. Staff wear kimono. The restaurant is popular enough to have its own theme song by the musician Masashi Sada, which tells you something about how Nagasaki locals feel about it. Closed Monday and Tuesday. Lunch 11:00 AM–3:00 PM, dinner 5:00 PM–9:00 PM.

If you are near the Peace Park or Atomic Bomb Museum, Horaiken Bekkan at 6-9 Hiranomachi is within walking distance. This is a practical lunch stop with English menus, credit card acceptance, and private rooms for families. Champon and sara udon both start at ¥1,200. Hours: 11:30 AM to 3:00 PM and 5:00 PM to 8:30 PM, closed Tuesday. The restaurant shares a name with an eel restaurant in Nagoya. Do not confuse them.

The Chinatown stalls along the main crossroad sell kakuni manju — soft, slightly sweet buns filled with pork belly braised in soy, mirin, and sugar until it collapses into a paste. Each bun costs ¥300–400. Eat it while walking. This is the correct way. The stall at the northeast corner, run by a woman who has been there for thirty years, makes the best ones. She does not speak English and she does not need to. Point. Pay. Eat.

Sara Udon: Champon's Crunchier Cousin

Sara udon deserves its own paragraph. It comes from the same kitchen as champon. The toppings are nearly identical — pork, seafood, cabbage, bean sprouts — but instead of soup, the ingredients sit on a bed of either crispy fried thin noodles or stir-fried thick noodles, covered in a thick, starchy sauce. Local habit is to add Worcestershire sauce or vinegar at the table. The dish is crunchier, less soupy, and more snack-like than champon.

You will find it at every restaurant that serves champon, and it is often the better choice if you are not hungry enough for a full broth bowl. At Shikairou, the sara udon runs ¥1,100. At Kozanro, ¥1,400. At the hole-in-the-wall Yossou near Hamamachi Arcade, it is ¥850 and the portion is large enough to split.

Yossou: 2-13 Hamamachi. Open 10:30 AM–9:30 PM, no closing days. Cash only. No English menu. Point at the plastic food display in the window.

Castella: 400 Years of Portuguese Sponge Cake

The sponge cake arrived with Portuguese missionaries and traders in the 16th century. Nagasaki bakers have been making it ever since, using wooden frames and a recipe that produces a dense, moist crumb with a dark caramelized bottom crust.

Fukusaya claims a founding date of 1624, which makes it one of the oldest confectioners in Japan. Their castella is the benchmark: firm texture, strong granulated sugar crunch, lighter color than some competitors. The main store is at 2-14 Tsukimachi, near City Hall tram station, and there is a cafe on the second floor where you can eat a slice with coffee (¥600 for castella and drip coffee) before deciding whether to buy a box as a souvenir. A whole cake runs ¥1,200–2,500 depending on size. Hours: 9:00 AM–7:00 PM, no closing days.

Bunmeido is the other name to know, at 1-1 Edomachi near the station. The company traces its own castella lineage to the Portuguese original and operates multiple shops across the city. Fukusaya and Bunmeido are the two brands you will see at Nagasaki Airport and train station kiosks. Both are legitimate. Neither is a tourist trap. Buy from whichever shop you pass first.

The castella at Fukusaya has a firmer crumb. Bunmeido's is softer, more cake-like. Locals have strong opinions about which is better. I am team Fukusaya. The sugar crunch matters.

Shippoku: The Banquet of Three Continents

Shippoku is where Nagasaki's fusion history becomes visible on the plate. The cuisine developed during the Genroku period, from 1688 to 1704, when Chinese vegetarian temple food met Dutch trade goods and local Japanese ingredients. The result is a banquet served at a round table, an arrangement borrowed from Chinese custom that is still unusual in Japan.

Diners share plates of sashimi, Chinese-style braised pork belly, European-style soup, and a stewed dish called pasty, covered in a flaky pie crust. The word comes from Portuguese. So does the technique. The seasoning is Chinese and Japanese. The meal opens with a clear sea bream soup and closes with oshiruko, a sweet adzuki bean soup with rice cakes.

Kagetsu is the most famous shippoku restaurant, housed in a building that dates to 1642 and once operated as a geisha house. The setting includes garden views and occasional koto music from an adjacent room. Address: 2-1 Maruyamamachi. Lunch starts at ¥10,000. Dinner is double that. The full spread runs to about fifteen courses served on heirloom crockery. You need a reservation (+81-95-822-3231) and an appetite. Hours: 11:30 AM–2:00 PM, 5:00 PM–8:00 PM. Closed Wednesday. This is not a casual meal. It is a history lesson in banquet form.

Aoyagi, also in the Maruyamamachi district at 4-27 Maruyamamachi, offers a more accessible shippoku experience run by a historian and cultural researcher who can explain why the pasty contains chicken, ginkgo nuts, and yam under a lattice crust, or why the braised pork is closer to Chinese dongpo pork than to the kakuni served elsewhere in Japan. The owner, Hirosuke Yamaguchi, describes shippoku as a cuisine for the rapacious, meaning it absorbed everything available and made no apologies. Lunch sets from ¥5,500. Dinner from ¥8,000. Reservation recommended.

Turkish Rice and Other Strangers

Turkish Rice is the strangest dish in Nagasaki, and that is saying something. It consists of a plate of pilaf rice, a nest of ketchup-heavy spaghetti, and a pork cutlet, sometimes topped with curry sauce. The dish has nothing to do with Turkey. The name likely derives from a misreading or mistranslation in the early 20th century, when Western food was still exotic enough that any foreign label would sell.

Tsuruchan, established in 1925 at 2-47 Aburayamachi, is the restaurant that made it famous. The original location near Hamamachi still serves it, along with a frozen milkshake that has been on the menu since the restaurant opened. Closed Wednesday. Hours: 10:00 AM–8:30 PM. Expect to pay around ¥1,000 for a plate that looks like a joke and tastes like childhood comfort food.

I tried it. I do not understand it. I would eat it again. That is the Nagasaki effect.

Shianbashi: Where the Night Reveals the City

This is my territory. Shianbashi is Nagasaki's entertainment district, a dense grid of alleys between Hamamachi and Chinatown where the bars are small, the regulars are loyal, and the last train home does not exist because nobody is leaving until the sun comes up.

Shianbashi Ramen at 2-8 Shianbashi is not a ramen shop in the Tokyo sense. It serves champon topped with a garlic paste called Bakudan, open from 11:00 AM to 2:00 AM the next day. The broth is heavier, the garlic is aggressive, and the crowd is local. Payment is cash only. A bowl runs under ¥1,000. This is where you go after drinking, not before.

Bar Irie is a standing bar at 3-12 Shianbashi with twelve seats, no chairs, and a vinyl collection that leans toward 1970s Japanese city pop. The owner, a man named Kenji who used to play bass in a Fukuoka punk band, pours local shochu and Nagasaki sake. A glass of shochu runs ¥600. He will play whatever you request if he has it. He has everything. Hours: 7:00 PM–2:00 AM. Closed Sunday.

Izakaya Tsubaki at 4-8 Shianbashi is where you eat Nagasaki oden the way locals do — sitting at a counter, watching the chef tend a pot that has been simmering for twenty years. The local fish cakes called kanboko are stewed in ago dashi, a stock made from flying fish. The result is lighter and more maritime than the heavy soy-based oden of eastern Japan. Order it alongside shochu or local sake. Oden pieces from ¥150. Sake from ¥500/glass. Hours: 5:00 PM–midnight. Closed Monday.

Club Diosa is a tiny jazz bar at 2-15 Shianbashi run by a woman named Yoko who studied piano in New Orleans. She plays standards from 9:00 PM and the cover charge is ¥1,500 including one drink. The room holds fifteen people. If you are the sixteenth, you wait outside. It is worth the wait.

The Hidden Tables: Where Locals Actually Eat

Away from the tourist trails, Nagasaki has a layer of restaurants that do not appear in guidebooks and do not want to.

Ganso Nagasaki Champon Horaiken at 7-6 Hiranomachi is the original Horaiken, not the bekkan near the Peace Park. The building is from 1952, the staff are all over sixty, and the champon has a sharper, more pork-forward broth than the newer location. Hours: 11:00 AM–8:30 PM. Closed Tuesday. Cash only.

Kagetsu Rou at 3-18 Hamamachi is a tempura restaurant that has been open since 1927. The chef, third generation, fries everything to order in pure sesame oil. A tempura set with rice and miso soup is ¥1,800. The anago (conger eel) tempura is the best I have had in Japan. Hours: 11:30 AM–2:00 PM, 5:00 PM–8:30 PM. Closed Wednesday.

Yorozuya at 1-7 Kojiyamachi is a shochu bar with over 200 varieties from Kyushu distilleries. The owner, a former sommelier, will pour you tastings until you find one you like. A tasting flight of three is ¥1,200. Hours: 6:00 PM–1:00 AM. Closed Sunday. No food menu. Eat before you arrive.

What to Skip

Chirin chirin ice cream, sold from street carts around tourist areas, is shaped like a rose and melts fast. It is not exceptional ice cream. It is a visual gimmick. Buy it for the photo, eat it quickly, and move on. The cart near Glover Garden charges ¥400; the same thing at a convenience store is ¥150 and tastes identical.

The restaurants on the main floor of Dejima Wharf. This is the waterfront development near the cruise ship terminal, and the restaurants here are designed for tour groups who have ninety minutes before the ship leaves. The champon is overpriced (¥1,800), the views are pretty, and the soul is missing. Walk five minutes inland and eat anywhere else.

Chain izakayas in the Hamamachi Arcade. You will see signs for Torikizoku and other national chains. They are fine. They are also identical to the ones in Osaka. You did not come to Nagasaki to eat the same karaage you can get in a Tokyo suburb.

The "Dutch Sweets" sold at Dejima. These are modern confections with a windmill on the packaging. They have no historical connection to the Dutch trading post and they taste like airport duty-free chocolate. Skip.

Any restaurant with a picture menu in four languages outside the door. This is a universal rule, but it applies triple in Nagasaki Chinatown. The good places have Japanese-only menus and lines of locals. The bad places have plastic food displays and touts.

Glover Sky Road restaurants. The views are spectacular. The food is an afterthought. Eat before you go up, or after you come down.

Practical Logistics

Getting around: The Nagasaki tram system is functional and cheap. A single ride is ¥140; a one-day pass costs ¥500 and pays for itself after four rides. Most food destinations are within walking distance of each other if you are staying near the station or Chinatown. The tram lines cover the harbor area, Chinatown, and the Peace Park. Download the Nagasaki Smart City app for real-time tram tracking.

Best time to eat: Many restaurants close by 8:00 PM. The Champon Museum at Shikairou closes when the restaurant does. Kozanro is shut on Mondays and Tuesdays. Shianbashi Ramen takes no cards. Plan accordingly. If you want shippoku at Kagetsu, book at least three days ahead.

Cash vs. cards: Chinatown restaurants and most Shianbashi bars are cash-only. Shikairou, Kozanro, and Horaiken accept cards. Convenience stores have ATMs that take foreign cards. Carry ¥10,000 in cash per day for food and you will be fine.

Where to stay for food: The Hotel Forza Nagasaki at 4-11 Hamamachi puts you within five minutes' walk of Chinatown, Shianbashi, and Shikairou. Rooms from ¥8,000/night. For a splurge, the Glover Garden-area hotels are quieter and have harbor views, but you will be taking trams or taxis to dinner.

Seasonal notes: Nagasaki's food scene does not change much with the seasons, but winter (December–February) is oden season, and the flying-fish stock tastes richer when the nights are cold. Summer (July–August) is champon season — the hot broth somehow works in humid weather, and the restaurants blast air conditioning. October–November is ideal: cool enough for shippoku, warm enough for walking between meals.

Language: English menus are common at Shikairou, Horaiken, and Chinatown tourist restaurants. Elsewhere, pointing at plastic food displays or photos on phones works. The word "champon" is understood everywhere. Learn to say "oishii" (delicious) and the staff will smile.

Tomás's final note: I came to Nagasaki because I heard about a noodle soup invented in 1899. I stayed because I found a city that turned isolation into invention, that absorbed three continents and made them taste like home, and that serves its strangest dishes without apology. The champon at Shikairou is the beginning, not the end. The end is a counter seat at Izakaya Tsubaki at 11:00 PM, a glass of shochu in your hand, a piece of fish cake in ago dashi on a wooden stick, and the owner asking if you want another without needing to ask.

Order the champon first. Then follow the night.