Best Smash Burger in Mullae-dong, Seoul: Yankees Burger

Mullae Burger held up close-up with charcoal black bun and fried enoki
The Mullae Burger — a smashed-patty masterpiece on a charcoal-black bun.

⏱ 7 min read · 📍 Foodieseoul · 🇰🇷 By a Korean local for travelers

Mullae-dong is a maze of welding shops, metal fabricators, and stray cats sleeping on stacks of rebar. So why is one of Seoul’s best smash burgers hiding here? Someone please explain. (The welder eating one with both hands at the next table also has no answer.)

I’ll admit it — I’m a snob about smash burgers. Specifically, I notice when the patty is more than ¼ inch thick. If it is, it’s not a smash burger. It’s a hamburger that’s lying.

What I check at any burger spot in Seoul:

  1. Smash thickness — the thinner the patty, the more honest the place
  2. Bun-to-patty ratio — too much bun and you’re eating bread sandwich
  3. Whether they’re charging ₩30,000 ($20 USD) and pretending it’s craft

Yankees Burger passes all three. That’s why I’m here writing about it instead of about my brokerage account, which has been a tougher read this week.

I went there last week, and I have been thinking about that smashed patty ever since.

Quick Info

Korean name양키스 버거
NeighborhoodMullae-dong, Yeongdeungpo-gu, Seoul
📍 MapView on Google Maps
SubwayMullae Station (Line 2), 5–7 min walk
Price₩₩ — ₩12,000 ($8.1 USD)–18,000 per person with side and drink
English menuYes — fully bilingual
Foreign cardsYes
ReservationsNot needed (counter order)
FamilyAlso nearby: Yankees Grill, Yankees Tongdak

My dad’s generation knew Mullae-dong as 기계골목 — “machine alley.” A place you went only to fix something. My generation knows it as “where the burger is.” I am not sure which version of the neighborhood is more honest. (Probably the burger one. The welders also seem to agree.)

Yankees Burger storefront in Mullae-dong with red signage
The Yankees Burger storefront, halfway down a quiet Mullae alley.

The Story: Why a Burger Joint Belongs in Mullae

Mullae-dong (문래동) is — and still is — Seoul’s iron-and-steel district. Decades of metalshops. In the late 2000s, artists priced out of trendier neighborhoods began moving in, creating Mullae Art Village (문래예술촌) — a strange coexistence of welders and gallery owners.

Yankees Burger fits perfectly: exposed brick, graffiti walls, a barn-style sliding wooden door for the bathroom, real Italian San Marzano tomato cans stacked dramatically on the drink case. Staff in black tees behind a fully open kitchen.

The “Yankees” brand actually spans three nearby restaurants in Mullae-dong: Yankees Burger, Yankees Grill, and Yankees Tongdak (양키 통닭, Korean-style fried chicken).

Yankees Burger order counter and bilingual menu board
The order counter and bilingual menu board — no translation app needed.

What I Ordered

Mullae Burger (문래버거) — The Signature

The Mullae Burger is the reason you came here. ₩8,900 ($6.0 USD) single / ₩11,900 ($8.1 USD) double. The patty is smashed — pressed flat against the griddle for a deeply caramelized lacy crust. On top: a thin slice of ham, a tangle of fried enoki mushrooms, fresh arugula, mayo. The whole stack rides on a charcoal-black bun.

5/5 on taste. The smashed patty is the highlight — that crispy lacy edge is exactly what a smash burger should deliver. The enoki adds an unexpected crunch.

Mushroom Pizza — ₩17,000 ($12 USD)

Do not sleep on the pizza. Proper Neapolitan-style pie — wood-fire-charred crust with airy leoparded edges, mostly white-base topping with roasted mushrooms, ham, torn fresh mozzarella, parsley, and grated hard cheese.

Mushroom pizza Neapolitan style
A surprisingly serious Neapolitan-style mushroom pizza.

French Fries — ₩4,000 ($2.7 USD)

Standard-cut, hot, salty, well-fried.

French fries in white bowl
French fries — standard cut, hot and salty.

Drinks

Imported beers — Big Wave, Hazy IPA, Blue Moon, BLAC 1664, Pabst Blue Ribbon, Sumersby cider — alongside soda standards. ₩3,000 ($2.0 USD) cans to ₩9,500 ($6.4 USD) specialty bottles.

Drink fridge with imported craft beers
Imported craft beers and Italian San Marzano cans dramatically stacked above.

What Foreign Visitors Should Know

  • The neighborhood is half the experience. Walk Mullae Art Village before or after.
  • Menu is fully in English. No translation app needed.
  • Order at the counter. Pay first, take a number. No tipping.
  • Foreign cards work.
  • Restroom looks like a barn door. Easy to miss.
  • Try the family. Yankees Tongdak (fried chicken) is worth its own trip.
Sliding wooden Toilet door against exposed brick
The sliding-door bathroom — easy to miss if you are not looking.

My Honest Take

Taste: 5/5. Price: 3.5/5. Mid-tier Seoul burger pricing. With a side and drink, ₩15,000 ($10 USD)–18,000 per person — comfortable casual lunch. I will be back.

Last visited April 2026. Restaurant details may change — verify before visiting.

📍 Find It

Yankees Burger on Google Maps →

Mullae-dong, Yeongdeungpo-gu, Seoul · Mullae Station (Line 2), 5–7 min walk through the metalshop alleys.

FAQ — Visiting Seoul Restaurants

Do I need to speak Korean?

Not at all. Most popular Seoul restaurants in tourist neighborhoods (Hongdae, Itaewon, Myeongdong, Gangnam) have English menus or staff who speak basic English. Outside these areas, a translation app and a friendly attitude go a long way.

Are vegetarian or halal options available?

Vegetarian options exist but are limited at meat-focused restaurants. Halal-certified restaurants are concentrated around Itaewon, especially near the Seoul Central Mosque. Always check ahead if you have strict dietary requirements — apps like HappyCow help locate vegetarian-friendly spots.

How much should I budget per meal?

Casual meals run ₩8,000–15,000 (about $6–11 USD). Mid-range restaurants average ₩20,000 ($14 USD)–35,000 per person. High-end Korean BBQ or specialty dining starts around ₩50,000 ($34 USD)+. Cafés and bakeries are reasonable — expect ₩5,000 ($3.4 USD)–8,000 for a coffee and pastry.

What’s the best way to get around?

The Seoul subway is the fastest, cheapest, and most foreigner-friendly option. All signs and announcements are in English. A T-money card (rechargeable, available at any convenience store) works on subways, buses, and even taxis. Most restaurants worth visiting are within a 10-minute walk of a subway station.

📍 Found this helpful? Check out more honest, on-the-ground reviews of Seoul’s best food spots — from hidden burger joints to old-school Korean BBQ.

Go. Line 2 to Mullae Station. Walk into the alley. Don’t overthink it — the welder at the next table isn’t, and he’s the one who actually lives here. Order the smash burger. Order the fries. Don’t pretend you’re going to share.

P.S. Second visit is when you stop ordering “just one.” That’s when you know.

— THE FOODIESEOUL VERDICT —
★★★★½
4.5 / 5
“Take the train. Order three.”

🍽️ Food
5.0
💰 Value
4.5
🌏 Foreigner-friendly
3.5
📍 Access
3.5

Best forSolo lunch, late-night cravings, first-time Mullae visitors looking for a real reason to wander industrial alleys
Skip ifYou hate lines, you wanted vegetables, you need polished decor
Order thisThe smashed patty burger + crispy fries + iced barley tea
VisitedApril 2026 · 1st visit

Been here? Tell me what you ordered — drop a comment below.

More from Foodieseoul

Tips for Foreign Visitors

If you are visiting Seoul as a tourist or first-timer, here are practical tips to make your visit smooth. Most popular restaurants in Seoul are foreigner-friendly, but a few small things will save you time and confusion.

Ordering and the menu

Many Seoul restaurants now offer English menus, photo menus, or QR code ordering systems. If the menu is only in Korean, the staff usually understands basic English food terms. Pointing at photos or showing a translated menu on your phone (Papago or Google Translate) works perfectly.

Payment and tipping

Most restaurants accept Visa and Mastercard. Smaller local spots may be cash-only — keep a few ₩10,000 ($6.8 USD) notes handy. Tipping is not customary in Korea and is sometimes refused, so don’t feel obligated to leave extra. The price you see is the price you pay.

Reservations and waiting

Popular spots in Seoul can have long lines, especially on weekends and around lunch and dinner peak hours (12:00–13:30, 18:30–20:00). For trendy restaurants, check whether they use Catch Table or Naver Booking — many accept English reservations through these apps. Arriving 15 minutes before opening is the most reliable strategy.