Vegan
Japanese
Asian
Breakfast

Fully vegan udon and Japanese teishoku restaurant. The menu consists of brown rice udon dishes, teishoku plates, fermented smoothies, and various side dishes. Gluten-free options available. Open Tue-Sun 9:00am-8:30pm. Closed Mon.


11 Reviews

First Review by Picy

CitanUzuki

Points +126

Vegan
21 Oct 2026

Great udon

I found the menu set good, with some misses, although I admit I was already aware of probably not liking some of the included offerings. The set was also a bit bland for me.

However, the udon was the main reason I came here and it did not disappoint. Amazing texture and chewiness, it was great! Mostly a 3.75 instead of a 4, if counting the set menu.

holasoybacca

Points +68

Vegan
20 Oct 2026

Amici vegani, non tutto è perduto a tokyo

Dopo giorni di fatiche per trovare qualcosa di vegan trovo questo posto nuovo aperto da poco. Il difficile è trovarlo, bisogna accedere dalla strada grande principale (e non dalla via sul retro come dice google maps). Accoglienza top, buon cibo e tante proposte che lasciano l’imbarazzo della scelta.

Pros: Proposta cibo

Cons: Essendo con cucina esposta fa un po’ caldo

VeganChef_Daisuke

20 Oct 2026

おっしゃる通りで、何度も訂正依頼をしていますがGoogleマップはお店のスタッフ出入り口を案内します😅。正式な入口は明治通り(大きなバス通)沿いにあります。
だけど大丈夫です!
裏通りからお越しの際はスタッフにお声がけください。スタッフがご案内致します😋

greenpeasformees

Points +23

Vegan
18 Oct 2026

Best food and best service

I had the curry udon and the lemonade. Both were absolutely delicious! The curry sauce was rich and the dish had lots of yummy vegetables. There was half a fresh lemon in my lemonade and it made the drink so refreshing. The staff were so friendly and attentive. A must eat in Tokyo!

Pros: Delicious, Super friendly service, Nice atmosphere

VeganChef_Daisuke

19 Oct 2026

Curry Udonはたっぷりのorganicポテトと玉ねぎを煮込んで旨みを引き出し、Gluten-freeで作っています。
Udonヌードルも玄米麺なのでGlutenを控えている方にもたいへん喜ばれてるおります😋

vicsheep

Points +219

Vegan
17 Oct 2026

Delicious!

The food was delicious and the place felt very comfy and welcoming! Def. recommend!

Updated from previous review on 2026-10-17

VeganChef_Daisuke

18 Oct 2026

At Koji-ya, our gluten-free curry udon is made with organic potatoes and onions, slowly simmered to create a rich and flavorful curry.

We also offer a wide variety of dishes, including organic brown rice set meals. Of course, everything is 100% vegan!

We hope to welcome you back to our restaurant the next time you visit Tokyo👀🍚👀

ido777

Points +11

Mostly Veg
16 Oct 2026

Excellent, we enjoyed a lot

Great food
Beautifully presented
Great, fast service
Clean
Very pleasant
Highly recommended

VeganChef_Daisuke

16 Oct 2026

私達のレストランを気に入って頂けてとても嬉しいです!
私の作るvegan料理は日本の伝統調味料である発酵調味料を多く取り入れております。
veganの皆様にも日本食の
素晴らしさを知っていただきたいと思い日々料理を楽しんでおります。

PrzemekNL88

Points +254

Vegan
07 Oct 2026

Very good food

Quiet place in a very crowdy neighbourhoud. The food is very good! Although it feels more touristy than more remote places in Tokyo.

VeganChef_Daisuke

14 Oct 2026

私たちのレストランは、世界的に有名なアンダーグラウンドカルチャーの発祥の地、東京・原宿にあります。
原宿のカルチャーと同じように、私たちの料理も日本の伝統に新しいテイストを加えています。ここは、日本の新しい一面を体験するのに最適な場所ですね😋

bloep

Points +1155

Vegan
02 Oct 2026

Totemo oishii desu!

Everything we got was incredible!
Definitely get the curry udon and the karaage!!

VeganChef_Daisuke

06 Oct 2026

今週から新メニューに
冬のカレーうどんが
始まりました!
また遊びに来てくださいね
👀🍚👀

yaniku

Points +229

Vegan
02 Oct 2026

Grand Royal

I had the Grand Royal Teishoku and was very satisfied with it.

VeganChef_Daisuke

06 Oct 2026

Ground ROYAL定食は
日替わりで内容が変わります。また是非遊びに来て下さいね👀🍚👀

Nikyinlove

Points +15

Mostly Veg
26 Sep 2026

DELICIOUS

We ordered the main plate, gyoza plate and udon plate and everything was delicious!!
The texture, complexity of flavors, but also everything felt healthy while yummy. Will be back again!!!

Updated from previous review on 2026-09-26

Pros: Gyoza, Karaage , Cute pink sauce

Cons: Noneeee

VeganChef_Daisuke

06 Oct 2026

定食の副菜は日替わりで変わるのでいつでもお気軽に遊びに来てくださいね😋

Ranita

Points +167

Vegan
17 Sep 2026

much-needed delicious vegan udon!

Udon is perhaps my favorite food on the planet. And I've gone to painstaking lengths to find vegan udon dishes in Japan, not understanding why it's so much rarer than vegan ramen or soba. But finally, lo and behold, Udon Kojiya opened!! And they did not disappoint. Though I'd never had brown (rice) udon before, they had every quality I love about udon: thick, chewy, soft, comforting. I opted for their slightly pricier premium noodles (over the flat ones), and was so happy with them!

This time I got the tofu udon, and they came in a flavorful cold broth with a generous helping of silken tofu, some herbs, as well as homemade seasoning to add to taste. It absolutely hit the spot, but I'm excited to come back to try their curry udon next time (on a more autumny day)! Oh, and on weekends they have all-you-can-eat breakfast buffets. So I shall be back for the rest of the menu, too😄

P.S. do note the entrance is in the front street, not the back where Google Maps takes you

to Udon Kojiya: ありがとうございます!

VeganChef_Daisuke

06 Oct 2026

ご来店ありがとうございます!!
せっかく日本に来てくれたveganの皆様に、日本の伝統料理のうどんを食べていただきたいという思いからこのお店を始めました!
他にも日本の伝統料理をたくさんご用意したおります!
また是非お立ち寄りくださいね👀🍚👀

Picy

Points +7600

Vegan
15 Sep 2026

Excellent place with amazing food!

This was amazing, we ate so well. The owner was really kind. Waitress speaks English. Free wifi available and order to place with QR code. Food was delicious, homemade and prepared in front of us. Be careful, the entrance is in the main street and not these behind (emergency stairs).

Pros: Amazing and delicious food, good quantity, Many interesting choices, Nice staff and speaks English

Cons: Nothing

VeganChef_Daisuke

06 Oct 2026

Googleマップはなぜか裏口を教えてくれます😅
正面入り口は明治通り(大通り)沿いにあります!




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