Seocho tonkatsu date dinner: cheese katsu and fried shrimp at Kosi

In short

Kosi Gyodae Branch (코시 교대점) is a Japanese tonkatsu and udon restaurant in the food alley by Gyodae Station in Seocho, Seoul. On a busy weekend evening date, the writer ordered tori-ten bukkake udon (cold udon with chicken tempura) for 11,000 won, cheese tonkatsu for 12,500 won and a side of 2 fried shrimp for 4,000 won; the chewy noodles tossed in cold tsuyu and the stretchy mozzarella stood out. Kosi Gyodae Branch is a good choice near Gyodae on a hot summer day when you want cold udon and handmade tonkatsu together.

Tori-ten bukkake udon topped with fried chicken thigh

Good to know

Tori-ten bukkake udon (cold udon with chicken tempura)
11,000 won
Cheese tonkatsu
12,500 won
Side: fried shrimp, 2 pieces
4,000 won
Parking
Free in front of the restaurant: 1 car on weekdays, 2 on weekends
Extra parking
Hanseong Parking Lot, a 3-minute walk; 30 minutes free per table when you spend 20,000 won or more
Seating
Seats for 1, 2 and 4
Price reference
₩20,000 ≈ $15 · ₩11,000 ≈ $8.1 · ₩12,500 ≈ $9.2 (2026-10-01)

as written by the visitor on Aug 3, 2026

Opening scene of the Kosi Gyodae Branch visit

Hi everyone, it's Maegi! When it's hot and humid, you don't really want a steaming bowl of broth, right? You want something cold and chewy. This time I went near Gyodae on a weekend-evening date and ate cold udon that blew the heat away, plus a tonkatsu (breaded pork cutlet) that's the king of crispy outside, juicy inside. Here's my review of Kosi, a tonkatsu favorite in Gyodae!

Kosi Gyodae Branch: location and parking

Exterior of Kosi Gyodae Branch in the Gyodae Station food alley
Parking space in front of Kosi Gyodae Branch

Kosi, a well-loved spot in Seocho-dong, sits in the food alley near Gyodae Station, so it's pretty easy to find. There's free parking in front of the shop for 1 car on weekdays and up to 2 cars on weekends. If the spots in front are taken, you can use the Hanseong parking lot (한성주차장), a 3-minute walk away! They give 30 minutes of free parking per table when you spend ₩20,000 or more, so take note if you're driving.

Atmosphere at the weekend evening peak

Table layout inside Kosi Gyodae Branch
Single and two-person seats at Kosi Gyodae Branch
Japanese-restaurant-style interior of Kosi Gyodae Branch

We came at the weekend evening peak, and as you'd expect from a popular place, the tables were packed with customers, so I couldn't get a shot of the whole room! Sadly, I just snapped the empty tables. 📸 The interior is laid out efficiently and neatly, with single seats for solo diners, tables for 2 for couples, and tables for 4 for families or groups, so the space is used really well. It felt cozy, with that distinctive Japanese-restaurant vibe.

What we ordered: cold udon + tonkatsu + side

Table setting before ordering at Kosi Gyodae Branch
Cold udon and side order being prepared

Since it's a hot summer, we ordered cold udon, where you can enjoy the chewiness of the noodles to the max, and paired it with a side.

Tori-ten bukkake udon set at Kosi Gyodae Branch
Tori-ten bukkake udon topped with fried chicken thigh

Tori-ten bukkake udon (토리텐붓카케우동), ₩11,000

🍜 Tori-ten bukkake udon (₩11,000): this is the summer cold bukkake udon (udon with concentrated sauce poured over) I picked! You pour the cool, shallow pool of tsuyu (Japanese noodle sauce) over it and toss everything together.

Close-up of cold udon noodles tossed in tsuyu
Bukkake cold udon with cold tsuyu poured over

Maybe because the noodles meet the cold tsuyu, but the springiness and chew were seriously crazy. Even chewing the noodles alone, the elasticity is amazing!

Crispy fried chicken thigh topping on the udon

The fried chicken thigh on top is crispy outside and tender and juicy inside, and eating it wrapped up with the salty, cool tsuyu noodles felt like my summer-lost appetite came right back.

A plate of cheese tonkatsu at Kosi Gyodae Branch

Cheese tonkatsu (치즈돈카츠), ₩12,500

🧀 Cheese tonkatsu (₩12,500): this is Kosi's signature handmade cheese tonkatsu, which my boyfriend picked! It comes out freshly fried as soon as you order, and there's really a generous amount of natural mozzarella tucked between the savory pork, so when you bite in, the cheese stretches out long and stringy~

Cross-section of cheese tonkatsu with stretching cheese

The coating is crunchy and nutty without being greasy, so cheese lovers will definitely like it.

Piece of cheese tonkatsu with crispy coating
Two pieces of fried shrimp ordered as a side

Side of fried shrimp, 2 pcs, ₩4,000

🍤 Side of fried shrimp, 2 pcs (₩4,000): we added these as a side in case we'd feel a little short on food!

Close-up of snowflake-crisp fried shrimp

The coating is crisp like snowflakes and the shrimp inside is plump and springy, and dipping it in the udon sauce made it a really great accent.

Overall verdict

Full spread of cold udon and cheese tonkatsu
Table at Kosi Gyodae Branch after the meal

Chewy, springy tori-ten bukkake cold udon, cheese tonkatsu bursting with savory flavor, and crispy fried shrimp: after finishing it all, we were seriously stuffed! If you're near Gyodae on a sweltering summer day and craving cold udon that cools you down to your chest, or high-quality handmade tonkatsu, definitely visit Kosi. That's the end of today's cool and delicious eating record!

Where it is

Kosi Gyodae Branch코시 교대점

1st floor, 32 Seochodae-ro 48-gil, Seocho-gu, Seoul, South Korea서울특별시 서초구 서초대로48길 32 1층

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