MOS Burger Fries Review: MOS Wanted Fries?
- Ariel Chung
- 2 days ago
- 3 min read
We continue tour of Asian in Tokyo. And of course, you cannot say you've visited Japan if you have not tried out MOS Burger. MOS Burger is Japan's very own, beloved, fast-food chain founded in 1972 known for its fresh ingredients and a unique Japanese twist on the American sandwich. We learned that MOS stands for Mountain, Ocean, Sun, symbolizing the brand's commitment to nature and freshness.
So far, fries in Japan have been disappointing being dead-last in our running leaderboard. This was a surprise to us because food in Japan are typically tasty. We heard amazing things about MOS Burger so we were excited to try out their fries. With all caps for their name, it does show boldness. Here is our review of MOS Burger fries.

Texture (5/10)
The fries had a decent amount of crisp, although we would've wanted more. However, there was no crunch when you bite into it. It seems like they opted for a simple method to fry these. The innards were very full, especially with an above average thickness. This allowed the fries to hold up their shape well, even with heavy dipping of ketchup.

Flavor (4/10)
The flavor is on the bland side and we wished a bit more salt. But the modest amount of salt was well distributed throughout all sticks. Other than salt, there was no other seasoning whatsoever and this knocked it off from the average threshold of solid flvaor. Due to this weakness, MOS Burger fries would have a tough time standing on its own, being relegated as a side.
Shape (5/10)
These fries are your standard shape. They hold up well due to the fact that they are thick and are stuffed nicely. Also, they are fairly uniform in terms of their length and curvature. The tips are closed off although some sticks have a smooth and flat tip indicating that a longer stick was cut into smaller pieces. Not much to rave about, but also not much to complain.

Presentation (3/10)
The fries are served in a paper bag with an L on the top right cornder and vegetable pictures lining the middle. Since the material is just paper (and not a carton), the container cannot stand up by itself. This is worsened with the weight of the thick fries and so the only way to present this package is to lean it on the wall of the basket. The weight of the fries continues to drag the walls of the paper bag and it is difficult to maintain the presentation as you walk with the tray.

Experience (7/10)
Although these fries may not be the best on their own, they certainly do go well with the great burger MOS serves. MOS Burger's classic flagship is a solid patty with the Japanese "hamburg steak" sauce which is a mixture of tomato, diced veggies, and a splash of sweetness. The fries definitely form a strong MOS Burger experience.
Texture | 5 |
Flavor | 4 |
Shape | 5 |
Presentation | 3 |
Experience | 7 |
Overall | 4.8 / 10 |
Conclusion
MOS Burger has well known to have innovated experimenting with traditional Japanese ingredients and cuisine with western fast-food. We think their biggest contribution to this fusion is the "rice burger" where the bun is made with crispy sticky rice as rice goes better with teriyaki meat than bread buns. MOS's commitment towards quality does shine through with their fries although it will be very tough to sell these as a stand alone. The texture and shape absolutely shows their effort. They just need to flavor it up.

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