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Chiba-eki GourmetSweets & ice creamChiba-ChūōA must for sweet potato fans: "Purple Sweet Potato Montblanc" — house-made Montblanc cream and shiratama

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A must for sweet potato fans: "Purple Sweet Potato Montblanc" — house-made Montblanc cream and shiratama

Published 2026.09.05 ・ Updated 2026.09.06 ・ Edited by our team · copy, details & photos supplied by the shop

21:00
A must for sweet potato fans: "Purple Sweet Potato Montblanc" — house-made Montblanc cream and shiratama

House-made purple sweet potato Montblanc cream, chewy shiratama, and crisp sweet potato chips, over Hokkaido-original soft serve — the wagashi treat "Purple Sweet Potato Montblanc."

The shop

Shop
21:00 Ice — Chiba-Chūō Ekimae
Nearest
About 1 min from the East Exit of Chiba-Chūō Station
Hours
2:00 p.m.–11:30 p.m.
Address
Bunkadō Bldg. 202, 2-23-7 Fujimi, Chuo-ku, Chiba 260-0015
Budget
¥500–1,000
Payment
現金 ・ QR ・ 交通系IC
SNS
Instagram
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Looking for a wagashi sweet near Chiba-Chūō Station? "Purple Sweet Potato Montblanc" at 21:00 Ice Chiba-Chūō Ekimae is a flavor well worth trying.

As a dedicated late-night ice cream shop open from 2:00 p.m. to 11:30 p.m., 21:00 Ice is a favorite stop after work, after school, on dates, at girls'-night-outs, and as a nightcap after drinks. Among all its flavors, Purple Sweet Potato Montblanc stands out for its gentle sweetness and rich, traditional wagashi flavor, earning it real popularity among a wide range of customers.

House-made purple sweet potato Montblanc cream, chewy shiratama, and crisp sweet potato chips, all on Hokkaido-original soft serve — here's a closer look at this indulgent, wagashi-inspired cup.

Rich purple sweet potato flavor

The appeal of Purple Sweet Potato Montblanc begins with the rich purple sweet potato aroma that fills your mouth from the very first bite. Smooth Montblanc cream carries the natural sweetness and deep flavor of the purple sweet potato, and paired with the milky soft serve, that flavor becomes gentler and even more balanced.

It's a not-too-sweet flavor with a real sense of refinement, popular with wagashi fans and anyone craving something naturally sweet and comforting.

The Montblanc cream is made fresh at the shop

What sets this apart is that the purple sweet potato Montblanc cream is prepared entirely in-house, by hand.

Making it from scratch at the shop gives the cream a smooth texture and lets the full flavor of the sweet potato really come through — something a store-bought product simply can't match. That handmade quality is a real point of pride, and it's part of what makes this Montblanc cream feel genuinely special.

Chewy shiratama for an authentic wagashi cup

Purple Sweet Potato Montblanc also includes chewy shiratama dumplings.

The smooth purple sweet potato cream, melting soft serve, and springy shiratama come together for a cup with genuine textural variety, letting you enjoy several different sensations in a single bite. This wagashi-inspired satisfaction, layered on top of the lightness of ice cream, is exactly what makes it such a well-rounded, indulgent treat.

Crisp sweet potato chips as an accent

The finishing touch is a topping of crisp sweet potato chips.

Their light, crunchy texture adds a pleasant contrast against the smooth purple sweet potato cream, and their presence also makes the whole cup more colorful and fun to look at. That kind of attention to every detail is exactly what gives Purple Sweet Potato Montblanc its character.

Made with Hokkaido-original soft serve

The base soft serve is made from a "21:00 Ice" original mix, produced at a farm in Hokkaido. It carries real richness from the Hokkaido milk, but finishes clean and light — a recipe developed specifically to keep the rich purple sweet potato Montblanc from ever feeling too heavy, even late at night.

A comfortable spot from after-work drinks to solo visits

21:00 Ice Chiba-Chūō Ekimae isn't just about great sweets — the seating is part of the appeal too. The shop has 32 seats in total, 8 of them counter seats, so solo visitors can drop in easily to read, study, or work while they eat.

It's also a natural stop after a night out with friends, on a date, or with family — from early afternoon all the way to closing, there's a reason to visit at almost any hour.

Craving wagashi sweets in Chiba-Chūō? Choose "Purple Sweet Potato Montblanc"

House-made purple sweet potato Montblanc cream, chewy shiratama, crisp sweet potato chips, and Hokkaido-original soft serve — "Purple Sweet Potato Montblanc" is packed with real wagashi flavor, a confident recommendation for anyone who loves sweet potato.

If you're near Chiba-Chūō Station looking for sweets or a late-night treat, stop by 21:00 Ice Chiba-Chūō Ekimae and try this rich, comforting flavor for yourself.

Product Info

Name: Purple Sweet Potato Montblanc

Highlights

Shop Info

Name: 21:00 Ice — Chiba-Chūō Ekimae
Hours: 2:00 p.m.–11:30 p.m.
Seats: 32 (8 counter seats)
Access: about a 1-minute walk from Chiba-Chūō Station

This is a shop-introduction (tie-up) article, edited by our team from copy, details and photos supplied by the shop. Prices, serving times and opening information are as supplied by the shop; check the shop’s official channels for the latest.
21:00 Ice — the full menu guide Read every article in this guide See features

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