Craquelin
/krak-LAN/
Craquelin is a thin disc of sweet cookie dough — butter, sugar and flour — laid on top of unbaked choux pastry. In the oven it melts and shatters over the puffing choux, baking into a crisp, crackled sugar shell. It gives cream puffs their beautiful cracked-glass look, a caramelised crunch, and a rounder, more even puff.

Builds on
What it is
Craquelin is barely a recipe — a simple dough of butter, sugar and flour rolled out very thin, chilled hard, and cut into discs the size of the piped choux beneath. As the choux inflates in the oven, the frozen disc softens, stretches and cracks across the dome like drying earth, then bakes into a delicate caramelised crust.
Why it matters
Beyond its looks, craquelin actually improves the choux. The weight of the disc slows and evens out the expansion, so the puffs rise rounder and more uniform instead of bursting at random. It also adds the textural contrast plain choux lacks — a sweet, sandy crunch against the soft cream inside. Modern patisserie choux is almost unthinkable without it.
Common mistakes
Rolling the craquelin too thick gives a heavy lid that suppresses the puff; too thin and it vanishes into the shell. Warm, soft dough is impossible to cut cleanly — it must go onto the choux cold and firm. And a disc noticeably larger or smaller than the piped choux slides off or gets swallowed as the pastry expands.
Related terms
Frequently Asked Questions
What is craquelin made of?
Just butter, sugar and flour worked into a smooth dough, rolled thin and chilled until firm. Brown sugar versions bake up more caramelised; cocoa or colour can be worked in for effect. Its simplicity is the point — it is a texture, not a flavour statement.
Why put craquelin on choux pastry?
Three reasons: it makes the puff rise rounder and more evenly by gently weighing down the dome, it adds a crisp caramelised crunch that plain choux lacks, and it gives that signature crackled appearance seen on patisserie cream puffs.
Does craquelin change the flavour of a cream puff?
Subtly. It adds a thin layer of buttery, caramelised sweetness and, above all, crunch — the main event is still the filling. Choux with craquelin simply eats more interesting: crisp shell, airy pastry, cool cream in one bite.
Tastethetechnique
Everything in our kitchen is baked fresh to order — eggless and vegan variants available.