Croissant Dough Calculator

Lamination butter must match the pliability of the dough — ideally around 16-18°C. If butter is too cold, it shatters and breaks through the dough layers rather than flattening. If too warm, it melts and absorbs into the dough, destroying the distinct layers. When both butter and dough are at the same temperature and consistency, the layers roll out uniformly without breaking or merging.

Classic croissant dough receives three folds. The number of layers depends on fold type: three letter folds (trifold) creates 3×3×3 = 27 layers × 2 surfaces = 54 butter layers. Three book folds (double fold) creates 4×4×4 = 64 layers. Many professional pastry chefs use a combination. Each fold must be followed by a 20-30 minute refrigerator rest.

High-fat 'dry' butter (beurre de tourage, 84%+ fat) is ideal for lamination because its lower water content means less steam and more uniform butter behavior. French AOP butters like Isigny or Poitou-Charentes are highly regarded. Regular unsalted butter at 80-82% fat works but may steam more during baking, potentially weakening layer definition.

Properly proofed croissants should have visibly grown 50-75% in volume, jiggle slightly when the pan is shaken (indicating live yeast gas inside), show visible layers when viewed from the side, and look puffy and light rather than dense. Under-proofed croissants will not achieve full lift and will be too dense; over-proofed ones collapse in the oven as butter leaks out.

Butter leakage is most commonly caused by: over-proofing (yeast has weakened the structure), too-warm proofing temperature (butter starts to melt), incorrect fold count, or butter that was too soft during lamination. Proof croissants at 24-26°C maximum, and ensure the lamination butter was fully incorporated in distinct sheets rather than partially melted into the dough.

Yes. Fully laminated, shaped croissants can be frozen on trays before proofing, then transferred to freezer bags. To use, place frozen croissants in the refrigerator overnight, then proof at room temperature for 3-5 hours until properly puffy before baking. The result is nearly as good as fresh, making ahead and freezing a practical option for home bakers.

Most recipes call for 185-200°C (365-390°F) convection or 200-215°C conventional oven. Croissants need enough heat to rapidly set the layers and drive steam through the dough, but not so much that the exterior burns before the interior cooks. Bake until deeply golden brown — pale croissants are under-baked and will collapse when cooled. Baking time is typically 18-22 minutes.

The standard egg wash is one whole egg beaten with a tablespoon of milk or cream. Apply once before proofing and once just before baking for maximum color. Avoid getting egg wash on the cut edges of the croissant — this glues the layers together and prevents the characteristic flaky separation. Some pastry chefs apply yolk-only wash for deeper color.

Croissants unroll when the tip is not properly sealed under the curved pastry during rolling. When shaping, roll from the wide base to the narrow tip, then curve into a crescent shape and tuck the tip firmly underneath the body of the croissant. Press gently but firmly. Egg wash on the tip before shaping can help it adhere. Cold, firm dough also holds its shape better during proofing.