Ikkou An (一幸庵) is a standard-bearer for traditional Japanese sweets, or wagashi, drawing admirers for its uncompromising approach to texture and flavour. The experience is defined by two signature items. The first is the warabi-mochi, a bracken-starch dumpling made with rare hon-warabiko powder, kneaded to a near-liquid consistency that melts in the mouth. The second is the azabu monaka, a set of crisp wafers and smooth red bean paste (anko) packaged separately, allowing you to assemble it just before eating for a perfect contrast between the shattering shell and silky filling.
Reviewers consistently praise these two creations. The warabi-mochi's ethereal softness and the refined, not-too-sweet flavour of its smooth koshian centre are frequent highlights. Similarly, the exceptional crispness of the monaka wafers is a recurring theme. Guests also recommend seasonal sweets like delicate nerikiri and refreshing water-yokan. The careful packaging and clear instructions are often noted as enhancing the experience of these precisely crafted confections.
The main difficulties are practical. As a small, highly popular shop, items sell out very quickly, sometimes by mid-morning. The famous warabi-mochi is seasonal and not produced on hot days. A few reviewers have noted high prices, but the overwhelming consensus is that the quality justifies the cost, making it excellent value as a special treat or a distinguished gift.
Reviewers in 2024–2026 reported paying around ¥432–¥518 for a single warabi-mochi, and ¥900–¥1,242 for a box of three azabu monaka. Other items like water-yokan were around ¥486. A typical purchase of a few items can cost ¥2,000–¥3,000.
- Access: The shop is a 4-minute walk from Myogadani Station on the Tokyo Metro Marunouchi Line.
- Reservations: It is strongly recommended to reserve items by phone, especially the warabi-mochi. Reservations are taken from 9:00 on the day of purchase. While you can walk in, popular items sell out early.
- Payment: Cash only. Credit cards, electronic money, and QR code payments are not accepted.
- Service: Takeout only. There is no seating.
- Practicalities: Photography inside the shop is prohibited. The warabi-mochi is intended for same-day consumption.
- Parking: No dedicated parking is available, but there are paid parking lots nearby.







