Plain flour, also known as all-purpose flour, is a versatile type of flour commonly used in a wide range of culinary applications. It is made from a blend of hard and soft wheat varieties, which gives it a moderate protein content suitable for a variety of baking tasks. Plain flour is widely used in baking for making bread, cakes, cookies, pastries, and other baked goods. It can also be used as a thickening agent in sauces, gravies, and soups.