Croissant (The Real French Butter Croissant)

Tap a step’s number to check it off as you go.

1. 1

   Whisk the flour, salt, sugar and yeast together (keep the salt and yeast from touching directly). Add the cold milk, water and softened butter, and mix into a shaggy dough, then knead briefly — just 3–4 minutes by hand or on low speed — until it comes together and looks smooth but still a little rough.

   Why: This dough is deliberately under-kneaded compared to a sandwich loaf. Full gluten development would make it elastic and stubborn, snapping back every time you try to roll it thin during lamination. You need just enough structure to trap steam in the oven, not a strong, chewy network.

2. 2

   Pat the dough into a rough rectangle, wrap tightly, and refrigerate for at least 1 hour (or overnight).

   Why: Cold, relaxed dough is essential for lamination to work. It also needs to match the butter block's firmness — if the dough is warm and soft while the butter is cold and hard, the butter will crack into shards instead of rolling out into one even sheet.

3. 3

   Pound and roll the cold lamination butter, still in its wrapper or between two sheets of parchment, into a neat 20 cm (8 in) square. Chill it until firm but still bendable — cold, not rock-hard.

   Why: The butter block and the dough need to be the same consistency when you laminate them. Butter that's too soft smears into the dough and you lose distinct layers entirely — the classic cause of a dense, greasy croissant. Butter that's too hard shatters and tears through the dough as you roll.

4. 4

   Roll the chilled dough into a rectangle roughly double the width of the butter square. Set the butter on one half at a 45-degree angle so its corners point to the edges, fold the dough over to fully enclose it, and pinch the seams to seal.

   Why: A clean seal keeps butter from leaking out or dough from fusing to itself where there should be a distinct fat layer.

5. 5

   Roll the enclosed package out to about 20 x 60 cm (8 x 24 in), keeping the edges as square as you can, then fold it like a letter — bottom third up, top third down. Turn the dough 90 degrees, wrap, and chill for 30 minutes. Repeat this single ('letter') fold two more times, for three folds total, always resting and chilling 30 minutes between them and always rotating 90 degrees before rolling again.

   Why: Each letter fold triples the number of alternating dough-and-butter layers. Three folds builds roughly 27 layers — thin enough to shatter into flakes, but not so numerous that they merge into a dense laminate. In the oven, the water in the butter and dough flashes to steam and pushes each layer apart from its neighbors; fewer folds and the croissant is heavy, more folds (that's puff pastry territory) and the layers get too fine to read as flaky sheets.

6. 6

   After the third fold, chill the dough overnight — at least 8 hours, up to 24.

   Why: This long, cold rest relaxes the gluten completely, so the dough can be rolled thin the next day without shrinking back, and it gives the yeast time to ferment slowly at a low temperature. A slow, cold fermentation builds real flavor instead of the flat, yeasty taste you get from rushing a warm rise.

7. 7

   Roll the cold dough out into a long rectangle about 25–30 cm wide and 3 mm (1/8 in) thick, trimming the ragged edges. Cut into triangles with a roughly 10 cm (4 in) base and 25 cm (10 in) sides, and snip a small 1 cm notch in the center of each base.

   Why: The trimmed outer edges of laminated dough are where the layers got sealed shut by the rolling pin and won't puff properly, so they're cut away rather than baked. The notch lets the two base corners splay outward as you roll, which is what gives a croissant its wide, curved 'horns.'

8. 8

   Gently stretch each triangle a little longer, then roll it up from the notched base to the tip, keeping even, not-too-tight tension. Curve the two ends inward toward each other into a crescent (or leave it straight, the classic mark of an all-butter croissant at many French bakeries).

   Why: Rolling with light, even tension keeps the spiral of layers intact; rolling too tightly compresses them back together and you lose the flake you spent a day and a half building.

9. 9

   Set the croissants tip-down on parchment-lined trays with plenty of space between them, cover loosely, and proof somewhere around 24–26.5°C (75–80°F) for about 2 hours, until they look noticeably puffed and jiggle softly when the tray is shaken.

   Why: This is the trickiest temperature window in the whole process: warm enough for the yeast to work at a good pace, but never so warm that the butter inside starts to melt and leak out, which collapses the layers before they ever see the oven.

10. 10

    Brush the tops and sides lightly with egg wash (a whole egg beaten with a tablespoon of milk or water), avoiding the cut layer edges.

    Why: Egg wash on the exposed layer edges can glue them shut and mute the flaky spiral once baked, so it's brushed only on the smooth outer surface.

11. 11

    Bake at 200°C (390°F) with convection (or 220°C/430°F conventional) for about 6 minutes, then lower the oven to 165°C (325°F) and bake another 9–12 minutes, until deeply golden all over.

    Why: The hot start creates a burst of oven spring and sets the outer layers before the structure can collapse. Dropping the temperature after that first burst lets the inside finish cooking through without the already-browned crust scorching.

12. 12

    Cool on a wire rack for at least 20 minutes before eating.

    Why: A croissant is still finishing its internal structure as it cools — the steam trapped between the layers needs a few minutes to escape and set. Cut into one straight from the oven and the warm, still-forming crumb collapses instead of holding its airy layers.