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If youโ€™re out of cornstarch, donโ€™t worry โ€” there are several easy pantry substitutes that will still thicken soups, sauces, gravies, and baking recipes. These Cornstarch Replacements are budget-friendly, easy to use, and perfect for saving dinner without a last-minute store run.

A brown bowl of cornstarch with a serving on a spoon.
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Cornstarch is an essential ingredient and hard to replace. These substitutes will help you to keep your soups and sauces from being watery and not thick. We use cornstarch a lot especially during the holidays and for a lot of our comfort foods and stir fries.

These 4 substitutes will help you save your Thanksgiving gravy or your Chicken Noodle soup when you realized you were out of cornstarch. Not only is cornstarch used for soups, we also use it in a lot of our baking recipes.

Knowing simple pantry swaps like these saves money, reduces food waste, and keeps dinner on the table โ€” even when youโ€™re missing an ingredient.

What is Cornstarch?

You may not use Cornstarch very much, but it is an important ingredient when making soups, sauces, pie filling and gravies.

Made from ground corn kernels, Cornstarch is a powdery starch. Cornstarch is naturally gluten-free, but is loaded with carbs. It is used to thicken sauces and stews and used in many baking recipes.

When used in baking cookies and cakes it helps these bake goods to be tender and puddings and custards to set.

Quick Cornstarch Substitute Chart

  • Almond Flour โ†’ 1 Tbsp = 1 Tbsp cornstarch
  • Flour โ†’ 2 Tbsp flour = 1 Tbsp cornstarch
  • Arrowroot โ†’ 2 Tbsp arrowroot = 1 Tbsp cornstarch
  • Potato Starch โ†’ 1 Tbsp = 1 Tbsp cornstarch

Easy Cornstarch Substitute

Cornstarch is a staple ingredient in my kitchen but sometimes we run out and not realize it. It is a budget friendly ingredient that is often in our gravy recipes. You don’t need a lot when adding to the sauces and gravy.

There are many different substitutes that can help thicken your gravy, but the easiest substitute is all-purpose flour. It is identical in color, doesn’t change the taste and it essentially does the same that cornstarch does.

A brown bowl of cornstarch with a serving on a spoon.

Can I Substitute Flour for Cornstarch?

Yes, you can substitute All Purpose Flour for Cornstarch. It is probably the easiest and best cornstarch substitutes since it is a common pantry ingredient.

1. All Purpose Flour

All Purpose Flour is the easiest replacement for cornstarch and is perfect for best for gravies, soups, and roux. It is a pantry staple ingredient, so you always know if you need to replace it. This white powder is also used as a thickening power agent, so it is an ideal replacement.

  • Substitute 2 tablespoons of flour for 1 tablespoons cornstarch

Flour works the same, if you want to add water to the flour to avoid any clumps before adding to a recipe. The major difference using flour instead of cornstarch is that it isn’t gluten free. Cornmeal is another easy substitute especially when making chili.

2. Arrowroot Powder

Arrowroot powder is a great substitute if you are looking for a gluten free option. It is becoming a popular substitute for baking. This is a great option when you don’t want to change the flavor like some of the cornstarch substitute could do.

  • Substitute 2 tablespoons of arrowroot powder for 1 tablespoons cornstarch

Arrowroot Powder can easily be found at your local grocery store.

A brown bowl of cornstarch with a serving on a spoon.

3. Potato Starch

Potato starch may not be easily found at your local store but it can be found at specific health food stores. It is a great option if you are looking for a gluten free option, but it isn’t low carb.

Potato starch is made from potatoes that are smashed, dried and milled into fine powder to make potato starch.

  • Substitute 1 tablespoons Potato Starch for 1 tablespoon of Cornstarch

The main difference in potato starch when adding to your gravy, it doesn’t take much. Add small amounts of potato starch so it doesn’t thicken to much.

3. Almond Flour

Almond flour is a very common ingredient especially you have a gluten intolerance. It is similar to regular flour especially using as a thickening ingredient.

When using almond flour it does have a nut flavor unlike using regular flour. So we use as a substitute mainly in our desserts recipes and stews that pair well with the nut flavor.

  • Substitute 1 Tablespoon Almond Flour for 1 Tablespoon of Cornstarch

Almond flour doesn’t easily clump like wheat flour, so we usually just mix right in to our stew. Corn flour is another easy gluten-free baking substitute.

4. Ground Flaxseed

Ground Flaxseeds have become a popular pantry ingredient over the years. It is called a super food because of the health benefits it offers. It has also been used a substitute for eggs in many vegan dishes.

Ground flaxseeds has a thick gel like consistency when mixed with water. Make sure to use ground flaxseeds when mixing with the water. When using ground flaxseeds as a substitute for cornstarch, mix 2 tablespoons of ground flaxseeds with ½ tablespoon of cold water.

This liquid will thicken so it can be added to your recipe.

Other Substitutes for Cornstarch

Here are other options that you may have in your pantry that would work as a substitute.

  • Xanthan Gum – A great substitute but a little goes along. Start off with about a teaspoon and add in slowly to create a thicker texture.
  • Psyllium Husk – Another substitute for a gluten free option. You will need ½ the amount that the recipe calls for cornstarch.
  • White Rice Flour – This option is similar to regular flour and helps to thicken slurry queso. But it is a gluten free option.
  • Tapioca Flour – Similar to potato starch, it is a great thickening agent but is not low carb. It is made of cassava root.
  • Tapioca Starch – Great cornstarch replacement but add in slowly.
  • Guar Gum – This substitute is a lot like xanthan gum, a lot goes along way when adding to thicken you sauces.
A brown bowl of cornstarch with a serving on a spoon.

Frequently Asked Questions

Can I substitute cornstarch in baking?

Yes, you can substitute cornstarch in baking, but the best replacement depends on the recipe. All-purpose flour works well in cakes, cookies, and quick breads, while arrowroot powder or tapioca starch are great gluten-free options. Keep in mind that substitutes may slightly change texture, so itโ€™s best to follow recommended ratios.

What is the best gluten-free substitute for cornstarch?

Arrowroot powder and potato starch are the best gluten-free substitutes for cornstarch. Both thicken sauces and gravies without altering the flavor, making them ideal for soups, stir-fries, and sauces. Arrowroot works especially well for clear or glossy sauces.

Why did my sauce turn cloudy when I used a substitute?

Sauces can turn cloudy when using flour instead of cornstarch because flour contains proteins and gluten that donโ€™t create the same clear finish. This doesnโ€™t affect taste, just appearance. If you want a clear sauce, stick with arrowroot, potato starch, or tapioca starch.

Can I use flour instead of cornstarch for gravy?

Yes, flour is one of the most common substitutes for cornstarch in gravy. Use 2 tablespoons of flour for every 1 tablespoon of cornstarch, and whisk it with cold water or broth before adding to prevent clumps. Flour-based gravies are hearty, budget-friendly, and perfect for comfort food meals.

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About the Author

Hi, Iโ€™m Carrie Barnard โ€” a professional food blogger with over 14 years of experience helping busy families make dinner fast, easy, and affordable.

At Eating on a Dime, I share simple, budget-friendly recipes that are tested in my own kitchen and approved by my 8 kids. With millions of readers each month, I’m here to help you cook real food for real families โ€” without the stress.

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