What Is The Difference Between Cornstarch And Potato Starch?

One of the most common ingredients in your kitchen is starch. You can use it in a variety of dishes to add texture and bulk to foods. There is a lot of confusion when it comes to potato starch and cornstarch. Are they the same? If not, what is the difference? 

Actually corn starch and potato starch are different in their origin. Corn starch comes from corn kernel which are rich in calories and carbohydrates. But, potato starch comes from crushed potatoes which have a higher nutritional value. Though both work well in cooking, they are completely different in looks and quality. 

The difference between cornstarch and potato starch can be a little tricky to figure out. This article will help you know the difference between the two and more.

Are Cornstarch And Potato Starch The Same Thing?

The two types of starches are not the same. Corn starch is a type of starch that you can extract from corn. Potato starch is a type of starch that get from dehydrated potatoes.

Corn starch comes from the starchy endosperm of corn. Potato starch is from the starchy endosperm and the starchy skin of the potato. You can use both starches as thickeners and also use them in baked goods.

What Is Potato Starch?

Potato starch, also known as potato flour, is a type of starch made from potatoes. It is a refined starch, that contains less protein or fat.

This white powder will help you to thicken sauces, soups, and gravies. You can even use it as a thickener in baking. Potato starch comes from soaked potatoes.

They are then mashed and then ground into a fine powder. It is then boiled with water until it becomes gelatinous. After it cools, dry and ground it into flour which we know as potato starch.

When Should You Use Potato Starch?

As I stated before, potato starch is widely used in baked foods to thicken, gel, and improve crispiness. It’s also found in transparent soups, confections, and fillings, among other things.

This is also a must-have ingredient in gluten-free baking. It can be gluten-free, dairy-free, grain-free, and soy-free.

This depends on which potato starch you buy. As a result, it is a safe ingredient to use in recipes if you have food allergies.

What Is Cornstarch?

Corn is the source of corn starch, which contains a lot of carbs, fiber, and sugar. You may find cornstarch in a variety of colors, including white and yellow. You can use cornstarch as a thickening agent and is commonly used in soups, sauces, and puddings. 

Cornstarch can is usable as a natural hair conditioner and as a substitute for eggs in baking. Besides using this in cooking, you can use cornstarch as a thickening agent for cosmetics and as a hair product.

When Should You Use Corn Starch?

Corn starch is a great ingredient to have on hand. It’s a binder that you can use in a variety of recipes. You can use it to thicken sauces, make a pie crust, and make cookies.

It’s also a great ingredient to use in a variety of other different types of recipes. You should use it when you want to thicken a liquid or when your recipe calls for flour. You can use cornstarch to add a nice texture to a baked good.

Besides, you can also use it in place of flour to make a gluten-free recipe. If you are up for friend chickens then corn starch will do your work accordingly.

How Do Potato Starch And Corn Starch Differ?

Potato starch and corn starch are both used in food as a thickener and a binder. Yet there are a lot of differences between them. Keep reading further to know them in detail. 

Flavor & Odor

In terms of flavor and odor, potato starch has none of it. But, you will not have any odor of cornstarch but it has a somewhat pleasant taste. 


Cornstarch is a starch derived from corn kernels. For which feels like a powder and that has a white or yellowish look. 

On the other hand, potato starch is a starch derived from potatoes that are granular. Moreover, it looks completely white which you may sometimes misunderstand with corn starch.

Preservation And Shelf Life

Well, if you do not use starch on a regular basis then you should know its shelf life. What makes them different is that corn starch is less expensive, and has a longer shelf life. Moreover, it is more versatile in cooking whereas. 

On the other hand, potato starch is more expensive. But it has a shorter shelf life and is not as versatile as Cornstarch in cooking. 

Appearance When Thickened With Liquid

Cornstarch and potato starch are both starches for cooking and baking. One of the most important factors is the appearance of the thickened liquid. 

The mixture you get after mixing water with corn starch is a bit opaque. On the contrary, when you mix water with potato starch then it will be clearer than the cornstarch mixture.

Consistency When Thickened With Liquid

Cornstarch and potato starch is often used as a thickener in a variety of dishes. This gives a wet-thickening effect to your dishes. 

But when you add water to potato starch it gives you a pourable consistency. But, when you mix cornflour with water it shows a semi gel type consistency. 

Temperature Requirements

There are a few other differences between corn and potato starch. For example, corn starch is a fine powder whereas, potato starch is a granular substance. 

They also have different temperature requirements. Corn starch is stable at temperatures up to 200°F. But, potato starch is stable at temperatures up to 500°F.

Nutritional Differences Between Cornstarch and Potato Starch

When it comes to nutrition, both corn and potato starches are good in different sectors. Potato starch is useful to stabilize your blood sugar and is good for your gut health. 

This also prevents colon cancer and supports weight loss which will be a great help for sure. Experts say cornstarch has fewer health advantages due to its lack of nutrients.

Cornstarch can help you improve your calorie intake. If you’re underweight and want to put on weight then mix cornstarch in your meal.

Carbs And Calories

Potato starch is mostly low in calories and carbohydrates. Yet it is high in protein, fiber, vitamins, and minerals. But, corn starch has more calories and carbohydrates. 

Also, it has less protein, fiber, vitamins, and minerals. Mostly, you will find lower sodium content in corn starch.

Cornstarch And Potato Starch: Which One To Use For Cleaning?

There are many different ways to clean your home. One of the most common ways is to use a wet mop and a spray bottle of cleaner. Yet, there are other ways to clean your home that are much more effective.

One of these is with cornstarch and potato starch. Cornstarch is a good option for lighter cleaning. While potato starch is a good option for tougher messes.

But, it is a little more expensive than potato starch. Besides, cornstarch is not as effective as potato starch. If you are looking for a cheaper and more natural option, then potato starch is the way to go.

Potato Starch vs Cornstarch: Which One Is Better For Frying?

The cornstarch vs potato starch question is quite a common search on the net. The answer to this question is not simple. But it is very important to understand what you are using the starch for.

If you are using the starch for deep frying, then you will want to use the potato starch. Potato starch can survive significantly greater temperatures.

It’s one of the most heat-resistant starches on the market. Yet, if you are using the starch to get a crispy fried chicken, then you will want to use the cornstarch.

Cornstarch vs Potato Starch: Which One To Choose For Fried Chicken?

If you are so much into crispy fried chicken then I suggest Cornstarch for this. Cornstarch has 25 to 28 percent amylose.

This is greater than wheat or potato starch. And this is why cornstarch is better for coating fried meals with crispy coatings.

Potato Starch vs Cornstarch: Which One Is Good For Thickening?

Potato starch is something that you can traditionally use for thickening sauces. It is often used in baking, like in bread, as well. You can use cornstarch typically as a thickener in soups, stews, and sauces. 

It is also often used in baking, like in cornbreads, and in puddings. Both of these starches have benefits and drawbacks. Cornstarch is more versatile than potato starch and it is less expensive. But, it is not as thick as potato starch.

Using Potato Starch vs Cornstarch With Dairy: Which One Is Better?

Potato starch is suitable for your recipes that call for cornstarch. But there are some recipes where you need to use cornstarch instead. Both starches are healthy options.

But, when coupled with dairy components, they have an unpleasant, slimy feel. Yet, cornstarch will work best with dairy-based foods like macaroni and cheese. If you do not have that then potato starch will team up with dairy products as well.

Can Cornstarch Be Used Instead Of Potato Starch? 

Well, corn starch is commonly found in any of our pantries. But, if you have them available then you can use them in food easily.

If you think to replace potato starch with cornstarch then it will not go well. Those who are allergic to gluten cannot eat cornstarch.

They need to have potato starch as it is free of gluten. Besides, potato starch is full of nutrition. But corn starch cannot compete with it as it has few nutrients available.

Can You Substitute Potato Starch For Cornstarch In Baking?

Yes, you can substitute potato starch for cornstarch in baking. Potato starch is a common component in gluten-free baking recipes. You can typically include it in all-purpose gluten-free flours. 

Because it gives cookies and other baked goods structure, softness, and binding characteristics. But, too much of it can make baked items dry and crumbly.

What’s Better: Potato Starch Or Cornstarch?  

Cornstarch is a more common starch, making it more affordable. It is also more commonly used in cooking and baking. Potato starch is not as common and can be more difficult to find. 

Yet, it is a starch that is often used in gluten-free baking. Both have pros and cons so you are the one to decide their use according to your recipe.


We hope you enjoyed reading about the difference between cornstarch and potato starch. We tried to provide some useful tips on how to decide between the two starches. And how you can use them to make some great things.

It’s always interesting to learn more about new cooking topics, so we hope you enjoyed the read! If you have any questions, please don’t hesitate to comment below.

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