A guide to thickeners: cornstarch, tapioca, arrowroot, potato starch and flour Food News A guide to thickeners: cornstarch, tapioca, arrowroot, potato starch and flour Myrna B. Thomas February 22, 2021 As Harold McGee explains in “On Food and Cooking,” starches are made of long chains of glucose... Read More Read more about A guide to thickeners: cornstarch, tapioca, arrowroot, potato starch and flour