Bob's Red Mill Finely Ground Tapioca Flour, 16 oz is one of our most versatile gluten free flours. This starchy, slightly sweet flour is a staple in gluten free baking and a fantastic thickening agent in soups, sauces and pie fillings. Use with other alternative flours like coconut flour, cassava flour, potato starch and arrowroot starch with xanthan gum for best results.