of chilled butter cut into small chunks

Butter is a dairy product made by churning cream or milk to separate the butterfat from the buttermilk, resulting in a solid emulsion of fat globules suspended in water. The product is predominantly butterfat (80-82% in standard butter), with the remainder consisting of water and milk solids. Butter ranges in color from pale yellow to deep golden depending on the feed and breed of dairy cattle, with grass-fed butter typically exhibiting richer coloration. When chilled, butter becomes firm and can be easily cut into small chunks—a preparation technique essential for baking and pastry work, where discrete fat particles create desirable texture through lamination and air incorporation.

When cut into small chunks and kept cold, butter maintains its crystalline structure, which is critical for creating flaky pastries, tender biscuits, and properly textured pie crusts. The small chunks distribute evenly throughout dry ingredients, ensuring even fat distribution during mixing.

Chilled butter chunks are a fundamental technique in pastry and baking, particularly in laminated doughs (croissants, Danish pastries), biscuits, scones, pie crusts, and shortbread. The small, cold pieces create pockets of steam and fat during baking, resulting in flaky, tender crumbs. In savory applications, cold butter chunks are used in pie doughs for savory tarts and in biscuit doughs for accompaniments to soups and stews. The chunks are cut before mixing to prevent the butter from fully incorporating into the flour, which would result in dense rather than tender pastries. Proper temperature is essential—the butter should remain at refrigeration temperature throughout mixing to maintain distinct fat particles.