Vegan
American
Fast food

Fast food vegan restaurant est. 2018 in the 3rd district of Paris, near the stations Oberkampf and République. Restaurant makes vegan burgers in house. Served with french fries, you can choose between ketchup and mayo. The menu also offers some vegan snacks as well as vegan desserts such as a chocolate brownie. Previously known as Burger Theory. Open Mon-Thu 11:30-22:00, Fri-Sun 11:00-22:00.


139 Reviews

First Review by Karotte

Hannemarieliese

Points +933

Vegan
13 Apr 2025

Exactly what you expect

The chicken burger is better than the ones with the soy patty, the cauliflower is kind of refreshing and really good, the buffalo wings are drenched in a barbeque sauce that's even for a skeptic okay. But note that the loaded fries are served with the same BBQ sauce.
The portions are decent, the flavours strong, it's not the best I've ever eaten but I'd go (ore order) there again and all my post marathon cravings were satisfied.
They offer Uber eats delivery and that worked great!

Pros: Decent portion sizes, The cauliflower!

MichaelStehle-Martin

Points +51

Vegan
12 Apr 2025

Our favourite Burger in Paris

Friendly staff, good choice of really yummy burgers, great fries. Seating outside or upstairs.

Updated from previous review on 2025-04-12

Resalie

Points +49

Vegan
02 Apr 2025

Lovely burger

We went there bc our first choice was closed, but I couldn't be happier that it was. The burger was thick and juicy, the fries were crunchy and salty and the staff was so sweet and friendly. We even got ourselves a delicious milkshake to go. Definitely recommend, if you are in Paris!

Pros: Delicious food, Friendly staff, Quick service

onidom

Points +56

Vegetarian
12 Mar 2025

Not great, not bad, but good value for money

At 15.50 for a menu (burger side drink) that actually gets your stomach full, this was one of the cheaper meals we found on our trip.

The burger itself (I had Giant Theory) was the weakest part, as both the soy medallion and the bread were kinda dry, and the toppings were slapped on messily so some bites were lacking "juice", but it was still passable. Grilled cauliflower with peanut dip was surprising in a very good way. Mayo and ketchup both tasted homemade.

Extra point for the space on the second floor: low tables, real cutlery, clean toilet.

·X·

Points +23242

Vegan
28 Feb 2025

Theory

OMG. It was amazing. Why aren’t you eating there right now? Go! 💚💚💚

PS- The double cheeseburger and bbq twists were impeccable.

Clara_D_M

07 Mar 2025

This place is so amazing. Went there probably 20+ times. Glad that you liked it!

·X·

07 Mar 2025

Thanks! I don’t indulge in vegan junk food often, but when I do, I hope it’s always this good! So jealous that you’re so close to this place. ☺️

talisma

Points +654

Vegan
11 Jan 2025

Good burgers but...

Burgers are good but I came on one evening were everything was dirty. The stairs ramp, the tables, the floor... it made the experience not so pleasant. Not sure if I would come back.

Pros: Great choices of burgers, Friendly staff

Cons: Place very small and quite dirty.

CryssWorlds

Points +1421

Vegan
05 Jan 2025

In my Top 3 of vegan burgers in Paris !

The burgers were super generous, and the cauliflower side was full of flavor and original—definitely a treat for your appetite.
They have nice ethical soda options, and the staff was really friendly.

Definitely worth a try !

Elouan

Points +15

Vegetarian
08 Dec 2024

Restaurant très très bon

Je recommande ce restaurant qui est vraiment très bon.

Pros: Double cheesy, Nuggets

dynamiteva

Points +40

Vegan
07 Nov 2024

Top notch fast burger

Super friendly staff and the mushroom burger was really great. Great place for a quick burger, seatings on second floor (no elevator for those who have a hard time climbing stairs).

Pros: Friendly staff, Savery burger

Homme_outan

Points +300

Vegan
03 Nov 2024

Burger de qualité

J'ai pris sur le pouce le burger bbq. Très réussi. Le steak pané (parfaitement adapté) était accompagné d'un confit d'oignons et de fromage fondant. Le goût bbq était équilibré. Pas sec du tout, ni horriblement gras.

En revanche, je l'ai trouvé trop petit. Mais le tout mérite quand même un 5 étoiles.

Pros: Le goût , Les ingrédients

Cons: Trop petit

agathelcn

Points +351

Vegan
31 Oct 2024

Très bon fast food

Très bon burgers avec choix varié

Eferre

Points +52

Vegan
29 Oct 2024

Très bon !

Choix varié de Burgers et de Bowls vegans !

sjane88

Points +72

Vegan
24 Oct 2024

So tasty!

We went twice during our stay just to have the Kobe bowl again. Such a lovely combo of veg, quinoa, faux meat and satay sauce. The Royal burger was also very good. Nice staff and places to sit upstairs or outside. I’d recommend stopping by!

Trave11ingVegan

Points +26

Vegan
23 Oct 2024

Plantastic burger

Loved the king mushroom burger, plenty of sauce!

Campi

Points +151

Vegetarian
21 Oct 2024

Great food!

We tried the double cheesy burger and it was delicious!

Damien.vg34

Points +535

Vegan
09 Oct 2024

J’ai adoré !

14/08/24 | Le bowl est incroyable, j’ai aimé le mélange d’ingrédients le steak Heura, je recommande à 100% (c’est le Kobe Satay pour les intéressé•es)

Updated from previous review on 2024-10-09

Maria_Nomas

Points +276

Vegan
25 Sep 2024

A MUST!

I was reluctant to have a burger in Paris since I go to the US 5-6 times a year and of course I have vegan burgers there all the time. So on my last day in Paris, it was raining, I was close to Theory and I was also tired and I didn’t want to go any further so I went in there and OMG I am so glad I did, I had one of the best vegan burgers ever! Honestly on the top of my list, so if you’re there, don’t think twice and have an amazing theory burger, you won’t be disappointed. I ordered the LE DOUBLE CHEESY 🥰🥰🥰 but I was so hungry it didn’t make it to the picture. 🤷🏻‍♀️🍔🫶

MiriamMisaki

Points +21

Vegetarian
15 Sep 2024

Very tasty but the portion sized were a bit small

Very good burgers, we got two menus and it came with a portion of fries and a drink. The portions seemed a bit small but there was ketchup and mayo for free on the tables so that made up for it.

Pros: The mayo and ketchup, The faucet for in the bathroom

Cons: The portions were a bit small

MiffyMills

Points +921

Vegan
11 Sep 2024

Amazing

If you're looking for a delicious, fast food style burger this is it

We got the double cheesey burgers and loaded fries

The burgers were so good, melted cheese, perfectly cooked patties and a really nice creamy sauce. We loved every bite and would definitely go back

The loaded fries were pretty good too!

MikkelHarlund

Points +465

Vegan
08 Jul 2024

Greasy greatness 😊

We had to order an extra burger even though, we were full. Would highly recommend the double

riceandbeans

Points +284

Vegan
16 Jun 2024

Good place

The burger was really good and reminds me a lot of regular fast food chains. The fries however were really underwhelming.

framtid

Points +1517

Vegan
02 Jun 2024

damn good burger

crispy burger with amazing cheese. buffalo wings were the best ones I ever had. great beer too

Clara_D_M

Points +19910

Vegan
20 May 2024

Update to my previous review!!!!! I loved it!!!

I had been there a couple of years ago to try their burger as a take away and I hadn’t been super convinced… but today I went back to eat there with my dad and what a lovely surprise!!!!!! Their menu has changed quite a bit, I took their King mushroom burger which was out of this world. Also, they are on the app TheFork (formerly known as La Fourchette if you are French…) and if you have enough points (2000) it gives you a discount of 50€. So I basically ate for free… I will go back and try all their menu I think😁Last but not least the waiter was SO nice!!!!!!

Updated from previous review on 2024-05-20

Geozza

Points +79

Vegan
18 May 2024

Disappointing

I have to say this was sadly one of the worst meals I've had from a vegan burger restaurant.
The fries were overcooked or had been sat around for too long. I never leave fries but I had to here.
The mayo was really mustardy, and quite unpleasant.
The ribs were spongy and bad. Something I expected 15 years ago, not now.
The burger was quite good, it was a Huera which are very nice, so at least it's hard to go wrong there.
Service was good, for a fast food place it was nice to not have to stand at the counter waiting.

Pros: Huera burgers are nice , Nice lemonade brand

Cons: Ribs were terrible , Fries were one of the worst I've had

BrigitaSlavinske

Points +20

Vegan
08 Apr 2024

Excellent

Good atmosphere, friendly staff, super tasty!

ellist

Points +53

Vegan
29 Mar 2024

Very tasty!!

I ate the BBQ Buffalo burger and i really liked it! The staff is friendly and you don’t have to wait long for your food. The fries were also great

Stear

Points +40

Vegan
22 Mar 2024

Excellente adresse !

Personnel adorable, frites gourmandes à souhait, bonne musique diffusée, beaucoup de créativité dans les burgers proposés. Mon passage chez eux a également été l'occasion de déguster une délicieuse bière blanche parisienne. Le tout pour un prix parfaitement honnête. Oubliez la théorie, passez à la pratique : Foncez chez Theory sans hésiter !

Pros: L'accueil chaleureux du personnel, Les frites absolument parfaites, La pluralité de choix dans les plats et boissons.

Cons: Peu spacieux, nombre limité de places en salle




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