Thicken Your Sauce With Cornstarch (2024)

FAQs

Thicken Your Sauce With Cornstarch? ›

For each cup of liquid, you want to thicken, start with 1 tablespoon of cornstarch in a small bowl. Add an equal amount of cold liquid and stir until smooth paste forms. This is your slurry. Whisk the slurry into the hot, simmering liquid that you want to thicken.

If you're cooking hot liquids like sauces, stock or broth, 1 tablespoon of corn starch per cup of liquid will give you a thin to medium consistency that's appropriate for soups or very thin sauces. 2 tablespoons per cup will give you a thicker, more gravy-like consistency.

1 answer. Corn starch acts like a gelatin when heated, sticking to other food and itself. As your reading seems to suggest, the key is to use cold water to form the starchy paste, making sure it is fully mixed and lump-free before adding to the hot soup.

The most readily available sauce-thickener is flour. For a too-thin sauce, try adding a slurry (equal parts flour and water, whisked together) or beurre manie (equal parts softened butter and flour, kneaded together to form a paste)—both are ideal thickeners for rich and creamy sauces, such as steak sauce recipes.

Cornstarch has twice the thickening power of flour. When a gravy, sauce, soup or stew recipe calls for flour, use half as much cornstarch to thicken. To thicken hot liquids, first mix cornstarch with a little cold water until smooth. Gradually stir into hot liquid until blended.

Cornstarch is one of the most commonly used thickeners, but it has some unique traits. So thanks for the good question! Cornstarch must be cooked to 95°C (203°F) before thickening begins. At that point, it usually thickens fairly quickly and the sauce turns from opaque to transparent.

Plus, using too much cornstarch can result in an excessively brittle coating, which might be undesirable for a particular dish. Like any pantry ingredient, cornstarch is just another tool in the toolbox we call our kitchen.

Because cornstarch is pure starch, it has twice the thickening power of flour, which is only part starch. Thus, twice as much flour is needed to achieve the same thickening as cornstarch. To thicken sauces, cornstarch is combined with cold water first, which is called a slurry.

Cornstarch is a common thickening agent in the culinary arts, but if you add it directly to the liquid you want to thicken, it will clump up. To thicken a sauce or soup with cornstarch, you first need to make a slurry, which is a mixture of equal parts cornstarch and liquid (usually water, stock or wine).

Does cornstarch need to come to a boil to thicken? ›

Cornstarch needs heat (in the ballpark of 203°F) in order for “starch gelatinization”—that is, the scientific process in which starch granules swell and absorb water—to occur. In other words, if you don't heat your cornstarch to a high enough temperature, your mixture will never thicken.

Using cornstarch to thicken sauce is very similar to using flour, but you need different quantities: Use one tablespoon cornstarch mixed with one tablespoon cold water (aka a cornstarch slurry) for each cup of medium-thick sauce. Thoroughly mix the cornstarch and water together.

Make a Butter-and-Flour Paste: Have butter at room temperature and stir and mash an equal amount of flour into it. Whisk a good amount of the paste into your simmering sauce and let it cook for a few minutes, adding more paste if needed until the desired consistency is achieved.

Cornstarch: Make a slurry of half water, half cornstarch and whisk until smooth. Cornstarch is a powerful thickener, so start by whisking in no more than 1 tablespoon of the mixture per 2 cups of simmering sauce; stir and simmer for 2 minutes, check the thickness, and repeat with more slurry as needed.

Even a half of a tablespoon of cornstarch will thicken a sauce into a translucent, silky slurry in under a minute. Flour's thickening abilities are much weaker and you will need larger quantities of it to thicken liquids. It also works better with fat-based sauces.

Like a sauce that is too thin, a dish that is too thick is a simple fix! All you need to do is add more of the recipe's cooking liquid — such as wine, broth or cream.

For this reason, it's wise to add cornstarch toward the end of cooking—as is customary in many Chinese stir-fry dishes. pH Tolerance: Acids tend to inhibit the thickening power of cornstarch.

#2 - If you don't want to add any more liquid to your sauce, use a small fine mesh sieve to separate the cornstarch powder into the sauce. By about a teaspoon, slowly sift the cornstarch through the sieve. It won't clump, and you won't have to add any more liquid (as you would with a slurry). Easy peasy.