- Solo
A 100% vegan tantanmen counter inside Tokyo Station's gates, where a creamy sesame broth fools even die-hard ramen carnivores — perfect for a transit-pause bowl.
Can I eat here?
Diets our editors confirmed in person· English menu / support
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Vegetarian
私はベジタリアンで、肉と魚は食べません。
Watashi wa bejitarian de, niku to sakana wa tabemasen.
I'm vegetarian — I don't eat meat or fish.
- この料理に肉や魚のだしは入っていますか？Does this dish contain meat or fish stock?
Reserve & verify
Details
- Address
- Gransta Tokyo, 1-9-1 Marunouchi, Chiyoda-ku, Tokyo (inside JR Tokyo Station)
- Nearest station
- Tokyo Stn, inside the gates
- Cuisine
- Vegan ramen / tantanmen
- Price
- ¥
- English menu / support
- ✓
- Signature
- Golden Sesame Tantanmen (vegan)
T's Tantan is a fully plant-based ramen counter tucked inside the ticketed area of JR Tokyo Station, along Keiyo Street in the Gransta Tokyo underground concourse near the Keiyo Line platforms (Marunouchi 1-9-1, Chiyoda-ku). It's a satellite of T's Restaurant, the vegan restaurant that started in Jiyugaoka and built a following in Tokyo well before "vegan" was a common word in the city's dining scene. The operator's official site is explicit that the kitchen uses no meat, seafood, dairy, or eggs anywhere on the menu — so unlike many ramen shops that quietly build broth on bonito or pork stock, there's no dashi to interrogate here. That claim is backed by more than the operator's own word: VegeProject Japan, an independent Japan-based vegetarian/vegan certifying body, lists T's Tantan among its certified restaurants, and the shop displays that certification mark at the entrance and on the menu.
The signature dish is tantanmen built on a rich, nutty sesame base, with three main variations — golden sesame (enriched with a peanut cream for extra body), white sesame, and a spicier black sesame. A mince-style soy meat topping is available as an add-on rather than included by default on every bowl. Sides include vegetable gyoza and a curry-rice option, plus a rotating seasonal menu that has featured vegan ice cream or gelato flavors like matcha and pistachio. A bowl runs roughly ¥1,000–¥1,800 depending on toppings, in line with typical Tokyo ramen pricing. An English-language menu is available via QR code, and staff are used to fielding allergy questions from travelers passing through the station.
Two notes for restricted diets: the standard noodles are wheat-based, but every bowl can be swapped to a konjac (konnyaku) noodle for a small surcharge — the operator markets this specifically as a gluten-conscious option, so gluten-avoidant travelers aren't entirely out of luck here, though it's still worth flagging the swap to staff given it's a shared kitchen. And while the vegan claim is independently certified (see above), there's no halal certification on file, so anyone who needs certified halal should ask staff directly rather than assume vegan automatically means halal.
Because it sits inside the paid area of one of Japan's busiest stations, you'll need a train ticket or platform ticket to reach it, and there's no reservation system — it's counter service with around 44 seats, so expect a short wait at peak commuting and meal times. The operator lists hours as 10:00 AM–10:00 PM daily, though it's worth confirming before a special trip since hours can shift around major holidays.
Last verified Jul 2026
Hours and details can change — please confirm before you visit.
