Tapioca flour also known as tapioca starch is ground to a powdery fine granulation from the dried roots of the cassava plant it is a starchy fluffy and slightly sweet flour that is especially good for thickening soups sauces dips pie fi llings and puddings it creates a chewy texture as with most gluten free flours it is typically best when used combined with other gluten free flours tapioca flour also known as tapioca starch is ground to a powdery fine granulation from the dried roo