All-purpose flour is a refined wheat flour made by milling the starchy inner part of the wheat kernel (the endosperm), usually from a blend of hard and soft wheats; it typically contains about 10–12% protein, may be bleached or unbleached, and is often enriched with vitamins and minerals after milling.

Basic composition

  • Endosperm only (bran and germ removed), so it is a white, fine-textured flour.
  • Usually a blend of hard (higher-protein) and soft (lower-protein) wheats to give moderate gluten levels suitable for many recipes.
  • Typical protein (gluten) content is roughly 10–12% depending on brand and country.

Processing and types

  • Some AP flours are bleached (chemically whitened) for a softer texture; others are unbleached and aged naturally, which slightly affects structure and taste.
  • Because the bran/germ were removed, many commercial flours are labeled “enriched,” meaning vitamins/minerals (like iron and B vitamins) are added back by law in some countries.

Common uses

  • Designed as a versatile, general-purpose flour for breads, cakes, cookies, muffins, pancakes, and for thickening sauces.
  • Not the same as whole-wheat flour (which keeps bran and germ and is more nutrient-dense) and not identical to bread flour (which has higher protein) or cake flour (which has lower protein).

Quick example (illustration)

  • If a recipe calls for “flour” with no qualifier, it usually means all-purpose flour — a single pantry staple intended to replace buying multiple flours for different baked goods.

Bottom note: Information gathered from public forums or data available on the internet and portrayed here.