Bob’s Red Mill arrowroot starch/flour is a wonderful grain free, paleo-friendly, gluten free thickener and emulsifier. It comes from the root of the arrowroot plant, a large perennial herb. Use arrowroot starch one-for-one in place of cornstarch in your recipes. Added to baked goods, It creates a softer, lighter texture. It will not turn your sauce or gravy cloudy. Great for puddings, gravies, pie fillings, and sauces.