of flour

Flour is a fine powder produced by milling grains, legumes, or other starchy plant materials. Most commonly derived from wheat (Triticum species), flour consists primarily of ground endosperm—the starchy, protein-rich inner portion of the grain—along with varying amounts of bran and germ depending on the milling process. The refinement level, grain variety, and processing method determine flour's protein content, gluten development potential, and baking performance. All-purpose flour, bread flour, and cake flour represent the most widely used wheat varieties, each optimized for different applications based on their protein content and milling specifications.

Flour serves as the foundational ingredient in bread, pastries, cakes, and countless other baked goods. It functions as a thickening agent in sauces and gravies, a coating for fried foods, and a binding component in meat preparations. Beyond baking, flour is used in roux-based preparations in classical French cuisine and as a dusting agent for rolling out dough. Selection of flour type directly impacts texture and structure: high-protein bread flour develops strong gluten networks for chewy loaves, while low-protein cake flour produces tender crumbs. Flour is also used in non-wheat varieties—rice flour, cornmeal, and chickpea flour—for gluten-free and regional cuisine applications.