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Typical: Bakery breadTypical: Bakery breadCafe Onion Seongsu
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Cafe

Cafe Onion Seongsu

어니언 성수

Why it's hot

The weathered 1970s building and the snow-capped pandoro are still one of the most photographed pairings in Seoul, and 2026 travel guides keep naming it the first cafe to try in Seongsu.

Cafe Onion opened in Seongsu in 2016 inside a building from the 1970s, and rather than polishing it up, the team kept the peeling walls, patched brickwork and bare concrete. The only sign outside is a small English 'onion' on red brick, so look for the corner building instead of a Korean signboard. Inside, a long counter holds around twenty kinds of bread and pastries. The one everyone photographs is the pandoro, a tall star-shaped Italian loaf buried under powdered sugar, usually ordered with an Americano or the house chocolate latte. Seating spreads across several indoor rooms, a courtyard and a rooftop, and on clear days the rooftop fills first. The room gets busy from mid-morning with a mix of locals and international travelers, and the bread counter turns over quickly, so popular items can run out later in the day. For pictures, try the pandoro against the rough plaster walls, or the rooftop with Seongsu's low brick buildings behind you. It sits about two minutes from Seongsu Station, which makes it an easy first stop before walking toward Yeonmujang-gil.

Tips for visitors tip!

  • Go before 10 a.m. on a weekday for a calmer room and the widest bread choice; weekend lines can be long.
  • No reservations: order and pay at the counter, then find a seat.
  • Look for the small English 'onion' sign on a brick building; there is no Korean signboard.
  • The stairs to the rooftop are narrow and steep, so leave big shopping bags at your table.

Latest on Instagram @cafe.onion

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See it on Instagram

#CafeOnionSeongsu#SeongsuCafe#SeoulCafe

Korean hashtags locals use (more posts):

#어니언성수#성수카페#팡도르

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Last checked: Nov 14, 2026 · Sources: [1] [2] [3] [4]