BOC Japan is bringing Tairaku Tangao Taiwan castella to Musashikosugi, Kawasaki, from October 6 to 12, 2026. The popular specialist brand will make a limited pop-up appearance at My Sweets Musashikosugi Tokyu Square.
The event will take place beside the south ticket gates at Musashikosugi Tokyu Square Station Market, with sales scheduled from 10:00 to 21:00. The pop-up is open throughout the event period, although temporary closures may occur because of weather, maintenance, or other building-related conditions.
Products include Premium Plain castella, half-and-half boxes such as Premium Cheese and Premium Plain, Premium Uji Matcha and Premium Plain, and Premium Earl Grey and Premium Plain. The lineup also includes quarter-size assortments and Taiwan castella pudding in Plain, Uji Matcha, Chocolate, and Earl Grey flavors. Prices are not specified in the release.
About Tairaku Tangao Taiwan Castella
Tairaku Tangao follows the traditional Taiwanese method while using high-quality Japanese ingredients. Fresh egg yolks, milk, carefully selected flour, and a light meringue are combined before the batter is slowly baked, creating a soft, moist texture with a gentle sweetness.
Highlights
- Large-format Taiwan castella with a souffle-like, airy texture.
- Premium Plain is baked slowly in a dedicated oven for a mild flavor suitable for a wide range of ages.
- Premium Cheese combines cheddar cheese inside the cake with Parmesan cheese on top.
- Premium Uji Matcha uses a special baking method designed to preserve the tea’s aroma and flavor.
- Premium Chocolate is made with cocoa powder and chocolate chips.
- Premium Quarter assortments offer four different flavors in one box for customers who want to try several varieties.
- Taiwan castella pudding is available in Plain, Uji Matcha, Chocolate, and Earl Grey flavors.
Menu and Event Details
| Item | Details |
|---|---|
| Name | Tairaku Tangao Taiwan Castella Pop-Up |
| Menu / items | Premium Plain; Premium Cheese; Premium Uji Matcha; Premium Chocolate; Premium Earl Grey; Premium Burnt Butter Vanilla Sugar; Premium Quarter Plain, Cheese, Chocolate, and Uji Matcha; Taiwan Castella Pudding in Plain, Uji Matcha, Chocolate, and Earl Grey |
| Period | October 6, 2026 (Tue) – October 12, 2026 (Mon), 10:00–21:00 |
| Release date | October 6, 2026 |
| Location | Musashikosugi Tokyu Square Station Market, beside the south ticket gates |
| Stores | My Sweets Musashikosugi Tokyu Square; Tairaku Tangao Kawaguchi Factory & Cafe |
| Address | Kawaguchi Factory & Cafe, Kawaguchi, Saitama |
| Price | Not specified in the release |
| Official website | Official website; Online store |
Before you buy
- When can I buy Tairaku Tangao Taiwan castella?
- The pop-up will sell the castella from October 6 through October 12, 2026, from 10:00 to 21:00.
- Where can I get Tairaku Tangao Taiwan castella?
- It will be available at the My Sweets Musashikosugi Tokyu Square pop-up beside the south ticket gates. The release notes that available products may change because this is a temporary event.
- How much is Tairaku Tangao Taiwan castella?
- Prices are not specified in the release.
