Seongdong-gu · Seoul
Who recommends Cafe Onion Seongsu? Justine Doiron and Alex Yu — 2 people who’d know have named Cafe Onion Seongsu in Seongdong-gu, Seoul, each quoted below with a link to where they said it.
What should you order at Cafe Onion Seongsu? The dishes the people who recommend it mention: pastries, pandoro.
on Justine Snacks
I always am skeptical of Instagram cafes but this was such a cute spot.
executive chef, Sokyo Brisbane · on Broadsheet
Cafe Onion in Seongsu. If you’ve ever planned a trip to Korea or Seoul, you’ve probably come across Cafe Onion. It is famous for its unique blend of old and new. It’s housed in an old-school renovated factory full of vintage charm. The cafe offers an impressive variety of pastries and breads that attract both locals and tourists. Its signature pastry is the pandoro, a castella made of a perfect balance of egg, butter and vanilla beans, covered with very fine house-made sugar powder.
Muguok Seongsu BranchBorn and BredMattdol
See it on the map
Open Cafe Onion Seongsu on GoodFinds — picks from chefs, critics and people who’d know, on one map. Or get the app.
Last recommendation added 2025-07-27