arrowroot dissolved in ¼ cup water

Arrowroot is a fine, white starch extracted from the rhizomes of plants in the genus Maranta, native to South America and cultivated throughout the Caribbean and tropical regions. The starch is isolated through a process of washing, grinding, and drying the rhizomes, resulting in a powdery substance with minimal flavor. When dissolved in water, arrowroot forms a neutral, smooth suspension that serves as a culinary thickening agent. Its starch granules are among the smallest in the plant kingdom, allowing for exceptionally clear and glossy thickening without cloudiness, distinguishing it from cornstarch and other thickeners.

Arrowroot slurry—typically prepared by dissolving the powder in cold water or other liquid—is employed as a thickener for sauces, gravies, glazes, and dessert fillings across numerous cuisines. It is particularly valued in Asian cooking for creating transparent, silky sauces in stir-fries and dim sum dishes. The thickening action occurs when heat is applied, as the starch granules gelatinize without imparting flavor or color. Arrowroot is also preferred in delicate desserts, particularly custards and fruit fillings, where a clear finish is desired. Its neutral taste makes it suitable for both sweet and savory applications.