A guide to thickeners: cornstarch, tapioca, arrowroot, potato starch and flour Food & Cooking A guide to thickeners: cornstarch, tapioca, arrowroot, potato starch and flour Mitchell R. Lajoie February 23, 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