Burger joint in Dangsan for office lunch: raw and grilled onion, BAS
In short
BAS Burger Seonyudo (바스버거 선유도점) is a handmade burger restaurant right in front of Exit 4 of Seonyudo Station in Yeongdeungpo, Seoul. Four coworkers had lunch at BAS Burger Seonyudo, ordering the BAS Burger with extra raw onion, as it comes, and with extra grilled onion, plus Pepsi Zero, and the unlimited refills of James Gam (potato chips) and sauces felt generous. BAS Burger Seonyudo is worth recommending for an office lunch or a solo meal around Dangsan and Seonyudo.

Good to know
- Getting there
- Seonyudo Station Exit 4 · 1-min walk (store listing, Oct 6, 2026)
- Address
- 1F, 118-1 Yangpyeong-ro, Yeongdeungpo-gu, Seoul (115 Yangpyeong-dong 4-ga)
- Hours
- Daily 11 am–9:30 pm
- Last order
- 9 pm
- Getting there
- 1 minute from Seonyudo Station Exit 4; 12 minutes from Dangsan Station Exit 13
- Unlimited refills
- James Gam (potato chips), ketchup, mayonnaise, water, pepper and sauces; ask at the pickup counter for drink refills and beer tasting
- Burger customization
- Extra raw onion / switch to grilled onion / extra grilled onion / no onion
- Photo review event
- Choose one: 5 onion rings, house-made coleslaw or 1 mozzarella cheese bar
- What we ordered
- BAS Burger with extra raw onion ×1, regular ×1, with extra grilled onion ×2; Pepsi Zero ×4
as written by the visitor on Jun 5, 2026
Office workers, isn't "what do we eat for lunch?" the biggest worry of the day? I've been eating around Seonyudo and Dangsan lately, and today I went to BAS Burger Seonyudo (바스버거 선유도점).
Where is BAS Burger Seonyudo, and what are the hours?

BAS Burger Seonyudo is at 115 Yangpyeong-dong 4-ga, Yeongdeungpo-gu, Seoul, and it's open daily from 11 am to 9:30 pm. Last order is at 9 pm.
It's 1 minute from Seonyudo Station Exit 4 and 12 minutes from Dangsan Station Exit 13. Naver lists it by Line 9, but it looks like a quick walk from the Line 2 exits too. Seonyudo = Dangsan, right? I was walking toward Seonyudo without even opening Naver Map and then, wow, isn't that BAS Burger? It was right in front of Seonyudo Station.
They're running lots of photo review events too. You pick one of 5 onion rings, house coleslaw, or 1 mozzarella cheese bar. What a deal! The mozzarella cheese bar sounds so good...!
What's the atmosphere like at BAS Burger Seonyudo?


Let's head into BAS Burger.

BAS Burger Seonyudo has a pub-like vibe and sells beer too. Are handmade burgers just hip by default? Burger plus beer is honestly such a delicious combo.

Burgers for delivery were piled up. It must be a Seonyudo favorite!
James Gam: free potato chips at BAS Burger

The big thing: the chips at BAS Burger Seonyudo are free. They're called James Gam (제임스감). A coworker said it's "the gam(ja) (potato) James made," which kind of makes sense, haha. When I searched, it seems to be a BAS signature item, but no meaning came up. I'm curious, I want to know what James Gam means. If anyone knows, please tell me in the comments.
BAS Burger Seonyudo menu and unlimited refill tips

Whoa, read the usage tips carefully. I didn't know! At BAS Burger Seonyudo, James Gam, ketchup, mayonnaise, water, pepper and sauces are all refillable.
- Refill & tasting guide: 7 sauces / drinks / beer tasting
- Just go to the pickup counter and ask
Wait, drinks can be refilled in this day and age? Plus a beer tasting. The service is amazing, they give you so much. I hadn't read that, so I only had sauces and James Gam... (I even thought the sauces cost extra at first)

How to customize the onions on your BAS Burger
When you pick a burger at BAS Burger Seonyudo, you can choose extra raw onion, switch to grilled onion, extra grilled onion, or no onion. Personally, a burger means raw onion, no?


These are the new items, set menus and burger combos.

These are the sides, drinks and alcohol, and sauces. Did you know? The fried broccoli is surprisingly really good. Give it a try. Splash sauce over it and, wow...

What four coworkers ordered for lunch
Our order was 4 BAS Burgers and 4 Zero Cokes! Diet time!!!
- BAS Burger with extra raw onion ×1
- BAS Burger, plain ×1
- BAS Burger with extra grilled onion ×2
- Pepsi Zero ×4

While waiting: James Gam, go. When we came in, only delivery orders were piled up, but before I knew it every table was full. Smells like a Seonyudo hotspot~~~




This is the ketchup and mayonnaise for the James Gam. Is the fourth photo the one you put on the burger? I put it on my burger, the BAS house burger sauce. And it's unlimited! James Gam!!!! It must be James.

They must like Pokémon. The Pokémon on top of the James Gam, they never go out of popularity. Immortal Pokémon, impressive.
How does the BAS Burger with extra raw onion taste?

The burgers and Cokes arrived. At BAS Burger Seonyudo you grab sauces next to the counter however you like! Each sauce has a description, so just take whichever looks tasty.




Let's take a bite. Wow, insanely good, a real Seonyudo hotspot. A burger with raw onion can never be bad. It was juicy and really delicious. It got even better once I added the BAS house burger sauce.
Is BAS Burger Seonyudo a good office lunch spot in Dangsan?
BAS Burger Seonyudo is cheap for a handmade burger place and the atmosphere is nice, so I recommend it for Dangsan and Seonyudo office workers' lunch!!! Eating solo is totally doable, and you can sneak in a beer before heading back. James Gam is unlimited!!! The service felt super generous. If you're looking for a good spot in Seonyudo, give BAS Burger a try. The burger was really delicious! Haha
Where it is
118-1 Yangpyeong-ro, Yeongdeungpo-gu, Seoul, South Korea서울특별시 영등포구 양평로 118-1 1층
Bas Burger Seonyudo: hours, menu and prices →
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