all-purpose flour means: A wheat flour made from wheat flour, either hard or soft wheat. It is used in the home for making yeast breads and quick breads as well as cookies, cakes, pastries, pastries, and noodles. All-purpose flour can be either bleached or unbleached. Each may contain four vitamins, including riboflavin and folic acid as well as iron and thiamin. You can use all-purpose flour in many home baking products, including cookies and quick breads. (in Cooking Dictionary)