
A few days ago, we talked about fast food chain Mos Burger’s plan to unleash something called the Wet Burger, or Nure Burger in Japanese. Unlike normal sandwiches which are content to have their sauce on the inside, the Wet Burger is submerged in tomato sauce before serving.
But is this new challenger a legitimate rival to the standard Mos Burger, already considered one of the stars of the Japanese fast food scene? Or is it simply too bold and saucy for its own good?
The Wet Burger went on sale August 3 at Mos Burger locations in Tokyo and Kanagawa Prefecture. We figured such a crazy sandwich deserved an equally crazy taste tester, so we sent our Japanese-language correspondent Mr. Sato to try it out.
▼ Poster advertising the burger in all its soppy glory
But while this is a new frontier for Mos Burger, it’s actually somewhat familiar ground for Mr. Sato. See, the Nure Burger is Mos’ take on the Turkish islak burger, which also means “wet burger.” Since first appearing in Istanbul a decade ago, the islak burger has become a street food staple in Turkey, and Mr. Sato dined on one in Taksim Square when he was in the Turkish metropolis on one of his globe-trotting adventures a few years ago. He liked it well enough, so he was looking forward to the rendezvous between his taste buds and the Nure Burger.
One thing’s for sure: no one can accuse Mos of false advertising, as the Wet Burger is indeed dripping wet.
▼ Thankfully it comes wrapped in paper, so that you don’t have to lick your palms clean afterwards.
Mos Burger is by no means opposed to enhancing its sandwiches with vegetables, but the 280-yen (US$2.20) Wet Burger doesn’t have any wedges of tomato or leaves of lettuce. Inside, there’s a patty and a slice of cheese, and that’s it.
But hey, the whole reason we were trying this burger is because of the sauce that’s outside the buns…as well as between them. Really, the Napolitan sauce (a ketchup-based tomato sauce seasoned with onions and garlic that’s been popular in Japan since the 1950s) is everywhere, and on its own doesn’t taste half bad.
But there’s just so much of it.
The sauce penetrates every nook and cranny of the bun and ground beef patty, giving it an unpleasantly soft mouthfeel that lacks the meaty texture burger fans expect and enjoy. There’s also a bit of a problem with the bread itself.
See, the islak burger Mr. Sato had in Istanbul used wheat bread for its bun, which meant it had a strong enough flavor to stand up to the sauce used in the Turkish version and give you more than one taste to enjoy in each bite. Mos’ Nure Burger, though, uses plain white bread, and the flavor of the bun gets entirely overrun by that of the sauce.
As a matter of fact, you can’t even taste the meat. The Wet Burger’s flavor profile is all Napolitan sauce, all the time.
▼ Close your eyes, and you might not even be able to tell you’re eating a sandwich.
So would the solution be to use less sauce? Well, that’d certainly be one option, but then it’d just be a normal hamburger with nothing unique going for it. Personally, we’d be happy if Mos replaced its boring buns with bread with a little more character, but that’s not likely to happen in the limited time the Wet Burger is available. We’d still recommend trying one just for the experience, but it’s probably best to hold off on ordering two at a time, no matter how hungry you are.
Photos © RocketNews24
Now read:






Crazy new Mos burger is covered in sauce, has a lineage that spans the globe
Mos Burger’s new super-thick sliced bread: Is it as good as their burgers? 【Taste Test】
Burger King Japan unleashes red burgers and Angry Sauce on my stomach 【Taste test】
Japan’s MOS Burger replaces hamburger buns with lettuce for limited “Natsumi” range
Is Lotteria’s new meat sauce burger a challenge to the reign of Mos Burger’s Japanese classic?
Tokyo government organizes food truck event to clear out delinquent/homeless teen gathering area
This Japanese vending machine doesn’t sell drinks, but you can buy drinks through it
Godiva now makes tofu in Japan, and sakura chocolate tofu too![Taste test]
Japanese onsen egg maker from 100-yen store Daiso needs to be on your shopping list
We go looking for a monkey mommy like Punch with Amazon Japan’s ultra low-rated orangutang plushy
Studio Ghibli adds new anime tumblers to its cool streetwear brand in Japan
Expo 2025 mascot Myaku-Myaku to release tastefully erotic photo book
Starbucks Japan releases new My Fruit³ Frappuccino at only 34 stores around the country
How much is Amazon Japan’s lowest-rated currency calculator worth in yen?
Starbucks Japan opens new Kyoto store in Place of Scenic Beauty
Train station platform ramen store closes its doors on half a century of history in Tokyo
Cherry blossoms begin blooming in Japan with record-early starts for sakura season
Studio Ghibli adds new Mother’s Day gift sets to its anime collection in Japan
Virtual idol Hatsune Miku redesigned with look that adds new elements and brings back old ones
The next time you’re feeling stressed out, you could relax on a Pokémon Psyduck chair from Japan
Komachi Shokudo: Japanese mum’s-style cooking for breakfast, lunch and dinner in Tokyo
When will the cherry blossoms reach full bloom in Japan this year?[Forecast]
Starbucks Japan unveils new sakura cherry blossom collection for hanami season 2026
Studio Ghibli releases Catbus pullback keychain that runs like the anime character
The 10 most annoying things foreign tourists do on Japanese trains, according to locals
Nine great places to see spring flowers in Japan, as chosen by travelers (with almost no sakura)
Starbucks Japan releases first-ever Hinamatsuri Girls’ Day Frappuccino
Japan’s cherry blossom season predicted to start earlier than we’d thought, especially in Tokyo
Survey asks foreign tourists what bothered them in Japan, more than half gave same answer
Japan’s human washing machines will go on sale to general public, demos to be held in Tokyo
Starbucks Japan releases new drinkware and goods for Valentine’s Day
We deeply regret going into this tunnel on our walk in the mountains of Japan
Studio Ghibli releases Kodama forest spirits from Princess Mononoke to light up your home
Starbucks Japan releases new sakura goods and drinkware for cherry blossom season 2026
Japan’s newest Shinkansen has no seats…or passengers [Video]
Major Japanese hotel chain says reservations via overseas booking sites may not be valid
Put sesame oil in your coffee? Japanese maker says it’s the best way to start your day【Taste test】
No more using real katana for tourism activities, Japan’s National Police Agency says
New Mos Burger restaurant serves alcohol, gourmet meals and a burger made from a whole tomato
Mos Burger brings back its hugely popular “White Mos Burger”, but is it any good?
Which Japanese chain has the best hot dog: Mos Burger, Subway, Tully’s, or Mister Donut?
Mos Burger fries up an unusual fusion with Tempura Rice Bowl Burgers
Mos Burger Goes Green With Their Mos Natsumi Burgers
A tale of two tonkatsu burgers – We pit McDonald’s pork cutlet sandwich against Mos Burger’s
Japanese burger chain Mos Burger replaces its buns with two halves of a giant tomato
Japan’s Mos burger releases inaugural tower burger to celebrate new Tokyo Tower outlet opening
Mos Burger’s new “Focaccia Sand” surprises us with its long sausage
We combine McDonald’s and MOS Burger for forbidden deliciousness
Mos Burger’s new “Tobikiri Avocado Croquette Burger” teaches us how great potatoes are
Mos Burger releases new gummi candies in Japan
Doughnut Sandwich Taste Test Round 2 — This time it’s a Mos Burger and Mister Donut creation!
Mos Burger’s new Mac and Cheese burger: Does it taste as good as it looks?
Mos Burger opens new online store dedicated just to frozen rice burger bulk buys
Mos Burger brings back moon-viewing and barbecue focaccia sandwiches for autumn season