Classic French Butter Croissant with 27 Flaky Layers

A classic French butter croissant is a study in contrasts: a shatteringly crisp, deep golden exterior that gives way to a tender, honeycombed interior with 27 distinct, buttery layers. This recipe breaks down the art of lamination into clear, manageable steps, using cultured French butter for its superior flavor and plasticity. From locking the butter block into a chilled détrempe to proofing until the pastries wobble like marshmallows, every stage is designed to build that iconic open crumb and audible crackle.

This recipe produces eight classic French butter croissants with an intricate honeycomb interior and 27 flaky layers. The process begins with a cold détrempe—a simple dough of flour, water, salt, sugar, and yeast—that is rested and then wrapped around a block of French cultured butter. Through a series of turns—one double turn and one single turn—the butter is folded into the dough, creating dozens of thin, alternating layers.

After a final roll and shaping, the croissants proof at 78°F until they are wobbly and marshmallow-soft, then are brushed with an egg yolk wash and baked at 400°F for 16 minutes until mahogany golden. The result is a pastry that crackles when pulled apart, with a tender, airy crumb and a deep, buttery flavor.

Ingredients

Why this recipe works

The magic of a croissant lies in its lamination: the repeated folding of butter into dough creates dozens of alternating layers of dough and fat. When baked, the water in the butter turns to steam, pushing the layers apart and creating the airy, honeycomb structure.

Using French cultured butter, which has a higher fat content and lower water content than regular butter, ensures that the butter stays firm and pliable during rolling, producing cleaner layers and a richer flavor. The double turn and single turn in this recipe—a total of three folds—yield exactly 27 layers, each one thin enough to crisp and separate in the oven.

Temperature control is the other pillar of croissant making. Keeping the dough and butter cold at every stage prevents the butter from melting into the dough, which would destroy the layers. Proofing at a warm but not hot temperature, around 78°F, allows the yeast to ferment and the dough to expand without melting the butter.

The final bake at 400°F is hot enough to create rapid steam and set the structure quickly, giving the croissants their characteristic shatter and flake. Each step in this recipe is designed to protect the integrity of those layers, from the initial lock-in to the final egg wash.

Notes and substitutions

French cultured butter is the star here; its slightly tangy, nutty flavor and low moisture content make it ideal for lamination. If unavailable, use a European-style butter with at least 82% butterfat. The détrempe is intentionally simple—flour, water, salt, sugar, and yeast—and should be mixed just until smooth, not overworked.

Active dry yeast is used here; if using instant, reduce the amount slightly and skip the proofing step. All-purpose flour provides the right balance of structure and tenderness; bread flour can be substituted for a chewier crumb, but reduce the water slightly.

A stand mixer makes kneading the détrempe easy, but it can also be done by hand. The key is to develop enough gluten to support the layers without making the dough tough. The butter block must be cold but pliable; if it cracks, let it warm slightly and roll again. A rolling pin, bench scraper, and instant-read thermometer are helpful tools. The recipe calls for a proofing temperature of 78°F, which can be achieved in a warm spot in the kitchen or a proofing box. If the kitchen is cool, proofing may take longer; if hot, check frequently.

• French cultured butter: European-style unsalted butter with at least 82% butterfat
• Active dry yeast: Instant yeast: use 1 3/4 tsp instant yeast; no need to proof in water first
• All-purpose flour: Bread flour for a slightly chewier crumb; reduce water by 2 tbsp

Equipment

• Stand mixer with dough hook
• Rolling pin
• Bench scraper
• Plastic wrap
• Baking sheet
• Pastry brush
• Instant-read thermometer