Beurrage

Beurrage is the butter component used in laminated pastry, and the stage in which a sheet or block of butter is enclosed in the détrempe (the base dough) before rolling and folding. The butter must be pliable enough to roll while remaining cool and firm enough to form distinct layers between the dough.

Butter preparation for lamination

For croissants and puff pastry, butter is usually shaped into an even slab or block. Its plasticity is critical: butter that is too cold may crack into pieces, while butter that is too warm may soften, smear into the dough or leak during baking.

How beurrage is incorporated

1. Prepare the détrempe and chill it until it is firm but still rollable.
2. Shape the butter into an even block with a thickness suited to the dough.
3. Enclose the butter fully in the dough without trapping air or leaving exposed edges.
4. Roll and fold according to the recipe, chilling between turns whenever the dough or butter becomes too warm.

Why butter consistency matters

Successful lamination depends on the butter and dough having compatible firmness. The butter should bend and spread under the rolling pin rather than fracture or melt. Butter fat content, room temperature, dough temperature and resting time all influence the result.

Examples: beurrage is used in croissant dough, Danish pastry and classic puff pastry.

Chef’s tip: Judge butter by feel, not temperature alone. If the butter cracks, it is too firm; if it smears or squeezes out, it is too soft. Chill or temper the components until they roll together evenly.

Key distinction: Beurrage is the butter layer used in lamination; détrempe is the base dough that encloses it.