Seongsu udon restaurant for a post-popup-tour solo meal: Kosi Seongsu

※ This post was written after receiving a service from the business and experiencing it in person.

Anyone else love touring the Seongsu popups?🙋♀️ I often go check out new popups whenever they open in Seongsu. Popup touring is so much fun, but there's always one problem that shows up at the end.

"So... where do I eat?"

After wandering around for a while, I'm clearly hungry, but finding somewhere in Seongsu where I can comfortably eat alone is harder than you'd think🥲 There have been several times I couldn't find anywhere and just went home hungry on the subway. But this time, I found the perfect spot for a solo meal after a popup tour — Kosi Seongsu Branch!

How long is the walk from Ttukseom Station to Kosi Seongsu Branch?

Kosi Seongsu Branch is less than a 2-minute walk from Ttukseom Station Exit 2. The address is 31 Sangwon 1-gil, Seongdong-gu, Seoul, 1st floor.

The location at Kosi Seongsu was really convenient above all. It's easy to stop by while hanging out in Seongsu, and just as easy to head straight to the subway after eating. For anyone looking for lunch or dinner near Ttukseom Station, this place passes on accessibility alone!

Single bar seats at Kosi Seongsu Branch that suit eating alone

Kosi Seongsu Branch has single seats lined up in a bar-counter style. Honestly, this seating layout was the thing that made me happiest walking in.

This place is really built for solo dining...! At restaurants that are usually full of groups, going alone sometimes feels awkward taking up a whole 4-person table, but Kosi Seongsu Branch has seats specifically set up for comfortable solo meals.

Since I do a lot of my Seongsu popup touring alone, this was a huge plus for me! I think this place will naturally come to mind next time I'm hanging around Seongsu with nowhere to eat alone.

How do you eat kama tori-ten bukkake udon?

What I ordered that day at Kosi Seongsu Branch was the gama-tori-ten bukkake udon 🍜 — an udon dish where you pour the accompanying sauce little by little over the freshly served hot noodles.

The name's a bit of a mouthful, but eating it is simple. (The staff explain how to eat it when they serve the food!)

The noodles won me over first. The warm udon noodles were springy and chewy, and pouring the sauce on lightly let me really feel the texture of the noodles themselves. It was better to add the sauce little by little rather than dumping it all in at once, adjusting the seasoning to taste.

Warm, chewy noodles with sauce added were already delicious enough on their own, but adding tempura on top makes it even better🤤 I can't resist the udon + karaage (fried chicken) combo.

Karaage and inari sushi that come with the udon set

The gama-tori-ten bukkake udon came with karaage as well. Taking a bite of the chewy udon and then the crispy fried karaage really changed up the texture — the combo was great. Overall, the udon was tasty, but I came away thinking they're really good at frying. The inari sushi (fried tofu pocket rice) that came alongside was delicious too!

Gama-tori-ten bukkake isn't a broth-heavy style — it's a dish where you enjoy the noodles and sauce themselves. But while eating the inari sushi, I suddenly thought, "this would go so well with a hot broth udon..." haha. Now I want to try one of their soup-based udon dishes next time.

Lotus root kushikatsu from the review event, with bottled Kirin beer

At the time of my visit, participating in the review event got you 2 pieces of kushikatsu, and I chose lotus root kushikatsu.

And here's why I picked the fried option. It's because...

I also ordered a bottled Kirin beer🍺 Fried food and beer — do I even need to explain further, haha. The kushikatsu came out fresh out of the fryer, so the first bite was almost scalding hot, but that just made it taste even better.

A bite of hot, crispy, freshly-fried lotus root kushikatsu followed by a sip of cold Kirin... this combo is just the best✨ The distinctive crunchy texture of the lotus root was still there, and it went really well as a side between bites of udon.

Saving Kosi Seongsu Branch for solo meals after a Seongsu popup tour

Overall, everything I ate at Kosi Seongsu Branch was satisfying. The udon noodles themselves were springy and delicious, and the fried items, from karaage to kushikatsu, all came out freshly fried, crispy and warm. But more than anything, personally, the best part was discovering a place where I could comfortably eat alone while wandering around Seongsu by myself.

• ✔️ Under a 2-minute walk from Ttukseom Station Exit 2
• ✔️ Solo bar seats that are great for eating alone
• ✔️ A variety of udon dishes with springy, chewy noodles
• ✔️ Freshly-fried karaage and kushikatsu
• ✔️ Inari sushi that goes great alongside the udon
• ✔️ Cold Kirin bottled beer that pairs perfectly with fried food

If you're hanging out around Seongsu or Seoul Forest and looking for somewhere to eat alone, this one's worth remembering. Especially recommended as a solo dining spot for anyone like me who tours Seongsu popups by themselves often! Great for anyone who loves Japanese food or udon, and also worth checking out if you were searching for a tonkatsu spot near Ttukseom Station and wanted a place with a variety of Japanese dishes too :)

Next time I do a Seongsu popup tour, I definitely want to come back and try the soup-based udon + inari sushi combo I missed this time. Both the udon and the fried food were great, so Kosi Seongsu Branch is definitely a place I'd want to visit again! 🍜🍺