Last Updated on 2026-03-01 by Tsubaki
When it comes to Tokyo’s top-ranked tonkatsu spots, Mochi Buta Tonkatsu Taiyo (もち豚とんかつ たいよう) is practically a regular on every must-try list. Since opening in 2008, this humble tonkatsu shop has not only earned a place in Tabelog’s “Top 100 Tonkatsu Restaurants” year after year, but has also been recognized multiple times by the Michelin Guide’s Bib Gourmand category. With accolades from both Japanese media and international food critics, it’s clear this place has serious credibility.
What sets Taiyo apart is that they don’t just serve the usual loin or fillet cuts you find at most tonkatsu restaurants. Instead, they use premium Echigo Mochi Pork (越後もち豚), a carefully raised breed known for its tender texture, fine fat marbling, and subtle sweetness. The result is a perfect harmony between technique and ingredient quality. I went in for a proper taste myself, and in this post I’ll share exactly what makes this tonkatsu joint so worth lining up for.
Since the shop name is a bit long, I’ll refer to it simply as Taiyo from here on out.
※ Note: The restaurant doesn’t allow photos of the kitchen or cooking process, so this post will feature fewer images than usual. Thanks for your understanding!
About Mochi Buta Tonkatsu Taiyo – A Tonkatsu Powerhouse in Tokyo
Founded in 2008, Taiyo has consistently earned its place on Tabelog’s “Top 100 Tonkatsu Restaurants” and has received multiple Michelin Bib Gourmand recommendations, a testament to its unwavering quality and popularity.
The star of the show is their use of Echigo Mochi Pork (越後もち豚), a premium variety prized in Japan for its soft texture, delicate fat distribution, and natural sweetness. It’s a high-grade pork even by Japanese standards. Every tonkatsu cutlet is made fresh to order: from slicing and tenderizing the meat, to breading and deep-frying, all done with expert hands on the spot. The panko breadcrumbs are specially selected, and the frying oil is kept at optimal temperature to produce a crispy, golden-brown crust with a juicy, flavorful interior, completely free from any greasiness.
Even the sides are carefully crafted. The white rice is Koshihikari rice from Niigata, known for its excellent texture and flavor, while the miso soup is loaded with vegetables and seasoned to perfection. The entire lunch set feels exceptionally well-balanced and satisfying.
Restaurant Info
Name: Mochi Buta Tonkatsu Taiyo（もち豚とんかつ たいよう）
Address: 〒142-0062 Tokyo, Shinagawa City, Koyama, 3 Chome−22−7 メゾンいずみ第１（Google Maps）
Access:About a 5-minute walk from Musashi-Koyama Station (Tokyu Meguro Line)
Opening Hours: 11:00–14:00 / 17:30–20:00 (Closed on Mondays and Friday)
Seats: 6 counter seats only
More Info: [Official Website]｜[Official Instagram]｜[Reviews on Tabelog]｜[Info on Michelin guide]
My Lunchtime Visit
I visited Taiyo for lunch. Since it’s such a popular spot, I arrived about 20 minutes early, around 11:10, just to be safe. I expected to find a long line outside, but to my surprise, the people lining up were actually waiting for the other restaurants next door. (Wait, really?)
When I looked closer, I realized the restaurant had switched to a same-day on-site sign-up system during lunch hours. Since it was a hot day, the staff didn’t want customers waiting too long under the sun, so instead of standing in line, guests now write down their name on a list and return at the assigned time.
At first glance, it may seem like you need a reservation, but it’s actually the opposite: you can’t reserve lunch in advance. You need to show up in person, write your name on the list, and come back when your turn is called, kind of like taking a number at a deli counter.
Lunch is divided into three rounds: 11:30, 12:30, and 13:30. And be warned: if you’re late for your slot, your turn is immediately forfeited.
A few minutes before opening, the chef stepped out to check if anyone needed to sign up. At that point, it was just me and one other customer waiting. Since we arrived first, we were lucky enough to be assigned the first slot at 11:30.
If you get a later time slot, I highly recommend strolling around the nearby Musashi-Koyama Shopping Street, it’s a great way to pass the time while you wait.
Atmosphere and Interior
The restaurant is quite compact, offering just six counter seats. The moment you step inside, you’re greeted by a warm and refined Japanese artisan-style atmosphere. What makes it even more charming is the unexpected background music: classical Western tunes gently playing, creating a surprising but oddly harmonious contrast with the traditional décor. It’s quirky, and I loved it.
Menu, Pricing & What We Ordered
The menu is super simple. During lunch hours, they offer a Service Lunch Set (サービスランチ), but you can also order from their standard teishoku menu. That said, the Service Lunch is definitely more wallet-friendly.
There are also drinks and a few small side dishes on the menu, all priced fairly for Tokyo.
Here’s what’s available on the Service Lunch menu:
・Pork Loin Cutlet (110g) – ¥1,600（ロースランチ）
・Pork Fillet Cutlet (90g) – ¥1,700（ヒレランチ）
・Menchi Katsu (Ground Meat Cutlet, 120g) – ¥1,500（メンチランチ）
We ordered the two classics: one pork fillet cutlet and one pork loin cutlet, to compare both cuts side by side. Personally, I usually prefer pork fillet because of its lean and tender texture. But since I was dining with my boyfriend this time, we decided to split both and enjoy the best of both worlds, a little couple’s joy on a tonkatsu date.
Later, I found out you can add an extra menchi katsu for ¥600, wish I had spotted that in time ><
A Made-to-Order Tonkatsu Experience
After placing our order, we could see the chef in action, starting from pulling the pork from the fridge. Everything was done right in front of us: gently massaging and tenderizing the meat, dusting it with a thin layer of flour, dipping it into egg wash, then coating it evenly in fluffy panko. Each movement was precise and delicate, a true display of craftsmanship.
As the cutlets went into the oil, the chef remained laser-focused on the temperature and frying conditions. Every turn of the cutlet was done with care, you could feel the level of dedication and passion he had for his craft.
What impressed me even more was how the chef kept an eye on the finer details. For example, he noticed my boyfriend’s mug was running low on tea, and after glancing over a few times, he stepped in at just the right moment to refill it, without saying a word. For someone like me who’s obsessed with detail, that was a huge plus. No wonder this little shop earned its place on Tabelog’s Top 100 Tonkatsu list and grabbed a spot in the Michelin Bib Gourmand rankings.
Refreshing Starter & Thoughtful Service
Before the tonkatsu arrived, we were served a small plate of pickled cucumber and daikon radish, along with a glass of chilled barley tea. It was the perfect way to cool down and refresh.
I originally assumed the veggies were pickled in vinegar, but to my surprise, they were almost completely unseasoned, letting the natural sweetness and crispness of the vegetables shine through. As someone who isn’t a fan of overly sour pickles, this was right up my alley.
Sauce and Shredded Cabbage
At the table next to us, a solo diner’s meal arrived, and the satisfied smile on his face said it all. Not long after, our pork loin and fillet cutlets were served. I immediately reached for the dressing on the table and poured it over the shredded cabbage, because in a good tonkatsu meal, even the “sidekick” matters.
And this dressing was amazing, really wow-ed me! The balance of sweet and salty was spot-on, and paired with the fresh crunch of the cabbage, it became totally addictive. Bonus: the cabbage is refillable once, which is great news for veggie lovers.
The Pork Loin Cutlet – A Pleasant Surprise
My order was the pork loin cutlet. At first glance, it looked pretty standard, nothing flashy, but the side view told a different story. A thick, juicy piece of pork, with the breading clinging tightly to the meat. That alone hinted at the quality.
I took the first bite without any sauce, and wow, tender, juicy, flavorful, and absolutely no gamey smell. I’ve always had a sensitive palate, and in the past, I found pork loin at other places had a lingering fatty odor. I used to assume it was just a characteristic of this cut.
But Taiyo’s pork loin totally changed my mind. The way they handled the fat actually highlighted the pork’s sweetness, creating a layered, complex taste. That level of finesse really showed how much they care about the ingredients, and made me completely rethink my feelings about pork loin.
Then I tried it with the tonkatsu sauce provided by the restaurant. It had a bold, sweet-salty flavor that paired wonderfully with rice, but slightly overshadowed the natural flavor of the pork. Still delicious, just different.
The Pork Fillet Cutlet Was Great—But I’m Team Loin Now
My boyfriend ordered his favorite: the pork fillet cutlet. Compared to the loin, it had less fat and a slightly firmer, yet still juicy texture. Taiyo’s fillet was incredibly juicy, you could literally see the juices seep out between the breading when you bit into it.
But to be honest, after trying that spectacular pork loin cutlet. With zero odor and perfectly rendered fat, the fillet felt a little too safe. Don’t get me wrong, it was delicious, but it didn’t have that wow factor.
If I had to choose again, I’d definitely go for the pork loin cutlet. Of course, that’s just my personal taste, but hopefully it helps anyone trying to decide between the two!
Tsubaki’s Recommendation
Highly recommended for:
・Tonkatsu lovers
・Anyone looking for a Michelin Bib Gourmand spot in Tokyo
・Fans of hearty meals with perfectly cooked pork and rice
Restaurant Info
Name: Mochi Buta Tonkatsu Taiyo（もち豚とんかつ たいよう）
Address: 〒142-0062 Tokyo, Shinagawa City, Koyama, 3 Chome−22−7 メゾンいずみ第１（Google Maps）
Access:About a 5-minute walk from Musashi-Koyama Station (Tokyu Meguro Line)
Opening Hours: 11:00–14:00 / 17:30–20:00 (Closed on Mondays and Friday)
Seats: 6 counter seats only
More Info: [Official Website]｜[Official Instagram]｜[Reviews on Tabelog]｜[Info on Michelin guide]
Final Thoughts
All in all, Taiyo isn’t just about great tonkatsu, it’s the full experience, from the chef’s meticulous preparation to the smallest touches at the table, that showcases just how much care and pride goes into every meal.
Yes, there are only six seats.
Yes, you’ll probably have to wait in line.
But the moment that freshly fried cutlet hits your tongue, you’ll understand, it’s absolutely worth the trip.
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Please note that all English articles on this site are AI-assisted translations of the original Traditional Chinese content. While every effort is made to ensure accuracy and natural flow, occasional nuances or expressions may differ. Thank you for your understanding.
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