T's TanTan

Why T's TanTan is on this list

T's TanTan is an unusual entry on a "serious Tokyo ramen" list, because it's a vegan shop — and vegan ramen has historically been a contradiction in Japan. Ramen broth is made with animal bones. Chashu is pork. Even the noodles often contain egg. A fully vegan bowl requires rebuilding ramen from the ground up.

T's TanTan, which opened in Tokyo Station's Keiyo Street food arcade in 2009, did exactly that — and somehow produced a sesame-based tantanmen broth so rich that meat-eating Japanese commuters started showing up voluntarily. The shop now has multiple branches and a cult following that extends well outside the vegan community.

We include it on this list for three reasons:

1. It's one of the few truly certified-vegan ramen experiences in Tokyo.
2. It's inside Tokyo Station with near-zero wait, making it the best "emergency ramen" on a Shinkansen travel day.
3. The sesame tantanmen is genuinely excellent even compared to meat-based tantanmen.

What to order

The signature is the Golden Sesame Tantanmen (¥1,050). A creamy, sweet, deeply sesame-forward broth with a mild chili oil accent, topped with soy-based ground "meat," bean sprouts, and sesame seeds. It tastes closer to a roasted tahini soup than to a typical ramen — and the comparison is meant to be a compliment.

If you want something less sesame-heavy, the Shoyu ramen option is a clean soy-sauce broth with a mushroom-and-kombu dashi base. Lighter, more traditional, and completely vegan.

Who should eat here

• Vegans and vegetarians: This is the definitive Tokyo ramen experience for you. It's also one of the very few fully certified-vegan ramen shops in the city.
• Travelers with dietary restrictions: Everything is labeled clearly. The staff can explain allergens.
• Meat-eaters on travel days: If you're at Tokyo Station catching a Shinkansen, this is a high-quality quick lunch with no queue and no decision paralysis.

Practical notes

• Location: Inside the JR gates on the Keiyo Street level of Tokyo Station. Follow signs for "Keiyo-sen" (京葉線) from the main concourse.
• Credit cards and IC cards accepted.
• Allergen information on the menu: Each dish is labeled with the specific proteins used, which is unusually detailed for a Japanese restaurant.
• Quick turnover: Commuters use this shop as a 15-minute lunch, so even when it looks busy the queue moves fast.