Shooken Castella (Shobundo)

Shooken — the confectioner Shobundo — is the third of Nagasaki's great historic castella houses, founded in 1681 and thus even older than Fukusaya's better-known main shop. Set near the base of Suwa Shrine in central Nagasaki, it is a quietly distinguished stop for anyone exploring the city's remarkable sweet heritage, and its café makes it a particularly pleasant one.

Castella came to Nagasaki with Portuguese traders in the sixteenth century and was refined over generations into the fine-crumbed, honey-rich sponge cake the city is famous for. Shooken has been part of that tradition for well over three centuries, baking castella in the classic loaf form with the tell-tale layer of coarse zarame sugar crystals at the base. The house is especially known for a variation many visitors overlook: a chocolate castella, developed as a Shooken speciality, which brings a cocoa depth to the familiar honey sponge and is harder to find elsewhere.

The shop's location below Suwa Shrine gives it a handsome setting, and its upstairs café is the real draw for travellers rather than gift-buyers. There you can sit with a freshly cut slice of castella — classic or chocolate — and a cup of coffee or tea, tasting the cake at its best rather than after it has been boxed for travel. It is an unhurried, civilised break, and a chance to appreciate the subtle craft that separates a great castella from an ordinary one.

Because Nagasaki's three historic castella makers all sit within the compact central city, a determined sweet-lover can visit Fukusaya, Bunmeido and Shooken in a single afternoon, comparing the crumb, honey and texture of each — a genuinely fun and very Nagasaki piece of food tourism. Shooken's position near Suwa Shrine and the tram network makes it easy to fold into a walk through the temple and shrine district.

There is no admission, the shop keeps daytime hours, the café closes a little earlier, and gift-wrapping is available for boxes to take home. Castella keeps well and travels safely, so it remains a reliable souvenir whichever house you favour. Older than its more famous rivals and blessed with a lovely café and a distinctive chocolate version, Shooken is the connoisseur's choice among Nagasaki's castella dynasties — a rewarding stop that deepens the story of how a Portuguese cake became one of Japan's most beloved sweets.