Seongsu café at 7pm: sold-out showcase and Signature Noix, Notldun

In short

Notldun is a French-style dessert boutique in an alley on Seoulsup 2-gil, near Seoul Forest in Seongdong, Seoul. On a late weekend visit only a few madeleines were left in the showcase, but the signature Blanc and Noix were still there, so the writer ordered the Noix — and more cakes were restocked a little later. For Notldun's most popular items, arriving between 12:00 and 14:00 is the safer bet.

Cross-section of Noir showing the praline insert

Good to know

Location
11 Seoulsup 2-gil, 1st floor, Seongdong-gu, Seoul (5–7 min walk from Ttukseom Station Exit 8 or Seoul Forest Station Exit 5)
Hours
12:00–20:00 (last order 19:30, may vary by day)
Parking
No on-site parking; the nearby Seongdong-gu Community Sports Center public lot is recommended
Ordered
Signature Noix, madeleines
Review event
Free Valrhona dark chocolate latte for taking part (as mentioned in the original post)

as written by the visitor on Sep 27, 2026

Today I revisited Notldun, a French-style dessert boutique newly settled in the Seongsu/Seoul Forest alleys :)

It's tucked between alleys, but the exterior alone gives off the vibe of a small European atelier, so dessert lovers really should stop by.

French dessert boutique Notldun in a Seoul Forest alley

Notldun's location, hours and parking

  • Location: Seoulsup-gil area, Seongdong-gu, Seoul (5–7 min walk from Ttukseom Station Exit 8 or Seoul Forest Station Exit 5)
  • Hours: 12:00–20:00 (last order 19:30, may vary by day)
  • Parking: No in-store parking (nearby Seongdong-gu Community Sports Center public parking recommended)
Notldun storefront near Ttukseom Station

Walking along the Seoul Forest atelier street, Notldun's sleek, calm-toned exterior catches your eye. Even the sign and entrance details carry that neat French dessert shop feel — great for photos too 💛

Neat-toned exterior and signage of Notldun
Entrance details giving off a French dessert shop feel
Wide shot of Notldun's exterior on Seoulsup 2-gil

Inside Notldun: the space and the drink lineup

Stepping inside, calm wood tones blend with a modern mood. The lighting is comfortable, perfect for chatting.

Notldun's interior decorated in wood tones
Notldun seating under comfortable lighting

They also had a good variety of coffee, tea, and ades ready!

Notldun's drink menu listing coffee, tea, and ade
Close-up of Notldun's drink menu details

Since it was evening we skipped coffee this time, but if you go during the day, be sure to try it! It's a must alongside dessert hahaha

Dessert showcase at the center of Notldun

Weekend evening showcase: only a few madeleines left

The first thing that catches your eye is definitely the dessert showcase at the center. It felt less like a plain bakery case and more like a neat jewelry showroom!

Dessert showcase as neat as a jewelry showroom

Last time I came on a weekday early afternoon, the showcase was full of delicious madeleines and cakes ㅠㅠ I guess it's a popular Seongsu dessert spot, because visiting late on a weekend, only a few madeleines were left 😭

Showcase with only a few madeleines left on a weekend evening

Luckily they said the Signature Blanc and Noir were still available, so we ordered Notldun's Signature Noir! A little while later, more cakes came out again hahaha

Notldun's cake showcase restocked again
Notldun's sliced cakes on display
Notldun's madeleines and financiers on display

Madeleines and financiers are also sold as selection sets in pretty packaging, so they'd make great gifts too 🤩👍

Gift selection package of madeleines and financiers
Notldun's dessert selection box packaging

What the Signature Noix tastes like, layer by layer

This is Notldun's signature, the 'Noir,' which had a distinctly heavy presence in the showcase. True to its name, it's a mousse cake that captures deep, nutty richness and the warm mood of fall and winter.

Notldun's Signature Noir mousse cake
Noir cake finished with glaçage and garnish

The surface is finished with a thin, smooth glaçage and delicate garnish, almost too pretty to cut into. Slice it open and you'll find soft nut ganache/mousse cream, a rich and nutty praline insert, and a moist biscuit sheet, all layered without a gap 🤎🤎

Cross-section of Noir showing the praline insert

On the first bite, the soft cream melts away the instant it touches your tongue, and right after, the deep nutty richness and heavy sweetness hit hard 🤤 truly a crowd-pleaser!

A scooped bite of Signature Noir's cream layers

Madeleines wrapped individually at Notldun

The madeleines were wrapped individually and prettily 🧡 Notldun's madeleines are plump from the start, with a nicely raised belly button bump in the center — a visual pass mark right away.

Notldun madeleine with a plump raised bump

The moment you take a bite, a rich buttery aroma sweeps past your nose, making it obvious they didn't skimp on good butter 💛💛

Individually wrapped Notldun madeleines

What to know before visiting Notldun

  • Watch for sold-out desserts: popular signature items often sell out if you visit late on weekend afternoons. Visiting between noon and 2pm is recommended if possible.
  • Packaging: the dessert boxes and shopping bags are neat, so they're perfectly suited for takeout gifts or home parties.
  • Waiting: seating is limited on weekends, so there may be a wait — time your visit well.
  • Review event: participating in the review event gets you a free Valrhona dark chocolate latte!!
Notldun desserts with their packaging

If you want to enjoy high-level French desserts that please the eyes once and the mouth twice, be sure to stop by Notldun near Seoul Forest. They say new seasonal menus keep coming out, so I plan to visit again soon!

Where it is

Notldun노틀던

11 Seoulsup 2-gil, 1st floor, Seongdong-gu, Seoul, South Korea서울특별시 성동구 서울숲2길 11 1층

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Local places · Cafés