RHBulkArrowroot Powder, also known as Arrowroot Flour or Arrowroot Starch, is naturally gluten free, vegan, and paleo-friendly. thickener for baking, frying and sauces. Extremely versatile, RHBulk Arrowroot Powder can be used in baking, roasting and frying. A great replacement for cornstarch, it can be used as a thickener in gravies, s