The Secret's Out! Potato Starch Works Better Than Cornstarch When Making Sauces

Learn how to use the different kinds of starches that are available in the grocery.

IMAGE Patrick Martires

Most households usually stock up on the more familiar all-purpose flour and cornstarch, but larger supermarkets carry other varieties of starch that can also be used in cooking. Here’s a quick guide to the different starches available on grocery shelves. 

 

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1 Rice Flour

Rice flour is a type of flour derived from finely milled white or brown rice. It is gluten-free, thus it is often used as a substitute for wheat flour. Aside from being the main ingredient in noodles and native sweets, rice flour is also used for coating meats before frying. 

 

2 Cornstarch

Cornstarch of cornflour is a fine, powdery starch that’s made from corn. It is a pure starch thickener, so compared to flour, a smaller quantity is needed to thicken the same amount of liquid. It is fast-acting too, thickening a sauce almost immediately when added to nearly boiling liquid. Asian-style dishes often use cornstarch, as sauces thickened with this starch remain clear and shiny. It is also used as a coating for fried chicken, pork, and fish.

 

3 Tapioca Starch

Extracted from the cassava root, tapioca starch is one of the purest forms of starch. It is gluten-free and is a popular thickening agent for sauces and dessert fillings. Like other root starches, it gelatinizes at relatively lower temperatures and produces sauces that are clear, shiny, and silky. It also has a less forward flavor once cooked. In Thai cuisine, water chestnuts are dredged in tapioca starch to make the classic dessert of red rubies with coconut milk. It can also be used as a coating for fried meat.

 

4 Potato Starch

Potato starch is a very refined root starch extracted from potatoes. Since it contains minimal protein or fat, sauces thickened with this starch are more translucent and glossy, with a silkier mouthfeel and a neutral flavor. It is also a good thickener for custards, puddings, and pie fillings. It is an ideal thickening agent for dishes or sauces that will be refrigerated or frozen, since it prevents liquids from separating, unlike sauces made with cornstarch. 

 

5 Sweet Potato Flour

 

Sweet potato flour is a gluten-free root starch produced from white sweet potatoes or kamote. It is dull white in color with a stiff and somewhat coarse texture. It is commonly used as a coating for fried meats and poultry and also as a starch for gluten-free baked goods such as breads, cookies, muffins, and pancakes. It may also be used to thicken sauces and gravies.

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This article was originally published in the May 2014 issue of Yummy magazine. Minor edits have been made by Yummy.ph editors. 

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