Skip to main content
Gluten-Free

Gluten-Free Cornstarch Substitute in Sugar Cookies

4 tested gluten-free options that contains no gluten (safe for celiac disease and gluten sensitivity). Each with exact ratios and tips for Sugar Cookies.

Quick Answer

The best gluten-free substitute for Cornstarch in Sugar Cookies is Arrowroot Powder (1:1 (use equal amount as cornstarch)). Maintains a tender crumb and light texture similar to cornstarch without imparting any flavor.

Gluten-Free Cornstarch Substitutes for Sugar Cookies

Substitute Ratio
Arrowroot Powder 1:1 (use equal amount as cornstarch)
Rice Flour Use 1 tablespoon rice flour for every 1 tablespoon cornstarch
Potato Flour Use 1 tablespoon potato flour for every 1 tablespoon cornstarch
Tapioca Starch Use 1 tablespoon tapioca starch for every 1 tablespoon cornstarch

Detailed Guide: Gluten-Free Cornstarch Substitutes in Sugar Cookies

⭐ Arrowroot Powder (Best Gluten-Free Option)

1:1 (use equal amount as cornstarch)
Quick tip: Maintains a tender crumb and light texture similar to cornstarch without imparting any flavor.

Arrowroot powder is a starch extracted from tropical plants and acts as a neutral thickener and tenderizer, similar to cornstarch. It helps inhibit gluten formation by coating flour proteins, resulting in a soft, tender sugar cookie.

To use arrowroot powder successfully, measure it exactly as you would cornstarch. It dissolves well and does not require pre-cooking, making it easy to incorporate into cookie dough. Avoid overheating as it can break down under prolonged heat.

Compared to cornstarch, arrowroot yields a similarly tender and slightly lighter texture, preserving the cookie’s delicate crumb and preventing excessive spreading.

Rice Flour

Use 1 tablespoon rice flour for every 1 tablespoon cornstarch
Quick tip: Adds a mild graininess but still helps tenderize and reduce gluten development in the dough.

Rice flour is a fine, gluten-free flour that can mimic some of cornstarch’s tenderizing effects by diluting gluten proteins and absorbing moisture. It is less refined than cornstarch but still light enough to keep sugar cookies tender.

When substituting, sift rice flour to avoid clumps and mix thoroughly into the dough. It may slightly increase the cookie’s density, so avoid overusing.

The final cookie will be tender but with a slightly more crumbly texture and subtle graininess compared to the smoothness cornstarch provides.

Potato Flour

Use 1 tablespoon potato flour for every 1 tablespoon cornstarch
Quick tip: Can increase moisture retention but may cause a softer, less crisp cookie texture.

Potato flour is made from whole potatoes and contains starches that help retain moisture and tenderize baked goods. It can replace cornstarch’s thickening role but tends to hold more water, which can soften sugar cookies.

Use sparingly and combine with other flours to avoid overly soft or gummy cookies. Mix well to ensure even distribution.

Cookies made with potato flour will be softer and less crisp, with a slightly denser bite than those made with cornstarch.

Tapioca Starch

Use 1 tablespoon tapioca starch for every 1 tablespoon cornstarch
Quick tip: May cause cookies to spread more and develop a chewier texture.

Tapioca starch is a starch derived from cassava root that thickens and tenderizes dough. However, it has a higher gelatinization temperature and can increase moisture retention, leading to more spreading and chewiness.

To minimize spreading, reduce other liquids slightly or chill dough before baking.

Cookies will be softer and chewier with a less crisp edge compared to cornstarch-based cookies.

Other Dietary Options for Cornstarch in Sugar Cookies

Other Gluten-Free Substitutions in Sugar Cookies

Want to see all substitutes for Cornstarch in Sugar Cookies, including non-gluten-free options?

View All Cornstarch Substitutes in Sugar Cookies