Where can you buy cornstarch?

In the brief guide, we are going to answer the question ‘Where can you buy cornstarch?’ with a detailed analysis of what safety measures are to be kept in mind when preparing it.

Where can you buy cornstarch?

In any grocery store or supermarket, you should be able to find at least one type of cornstarch in the baking aisle. If you want to buy cornstarch online, go to sites like Walmart or Amazon, where you can find reputable and reasonably priced brands like Clabber Girl or Argo.


Amazon is a great place to buy products like cornstarch online. They sell cornstarch in bulk, so there are literally buckets of it available. However, while this is a less expensive option, it is also true that in most cases, people only use trace amounts of cornstarch.


Walmart, along with Amazon, is one of the most popular retailers in the United States, and it sells a variety of cornstarch brands, including Argo.

Whole foods market

Whole Foods Market sells 365 Everyday Value cornstarch, which is their own brand. When compared to a brand like Argo, the one from Whole Foods is less expensive. Other brands, such as Argo and Rumford, are also available.


Target also carries cornstarch from Argo and Clabber Girl.


Bob’s Red Mill, Signature Kitchens, and Argo are just a few of the cornstarch brands available at Publix.


Safeway also carries several cornstarch brands, including Argo, Signature Kitchens, and Kingsford’s. Another supermarket that sells Argo, as well as its own brand of cornstarch, is Kroger.

How to use cornstarch?

Cornstarch is primarily used to thicken liquids. It is composed of a long chain of starch molecules, which unravel and swell when heated in the presence of moisture. Thickening is caused by swelling, also known as gelatinization.

While cornstarch is best known for thickening soups, stews, sauces, and custards, there’s a lot more you can do with this kitchen pantry staple.

Is cornstarch perishable?

Cornstarch does not go bad and does not lose potency over time. The only reason to throw it out is if water or bugs get inside the package. 

Aside from that, everything will be fine. So, if you open the package and find mold or other organic growth inside, throw it away. Water is most likely to blame for this growth.

If the powder appears to be fine, it most likely is. It’s fine if there are some small clumps. Before using, you can always sift the powder.

How do you keep cornstarch?

Cornstarch should be kept in a cool, dark location. Most cornstarch sold in stores comes in resealable containers, so just make sure the lid is securely fastened when you’re finished with the product. Cornstarch can be used indefinitely if properly stored.

What is the shelf life of cornstarch?

It is heavily dependent on storage conditions; to extend the shelf life of cornstarch, keep it in a cool, dark cupboard away from direct heat or sunlight.

Keep the package tightly sealed after opening to extend the shelf life of cornstarch.

Cornstarch can be stored properly for an indefinite period of time without losing quality.

Is it safe to use cornstarch after the “expiration” date on the package? 

Yes, if properly stored and the package is undamaged — commercially packaged cornstarch may have a “Best Buy,” “Best if Used By,” “Best Before,” or “Best When Used By” date, but this is not a safety date; rather, it is the manufacturer’s estimate of how long the cornstarch will remain at peak quality.

Recipe with cornstarch




Vanilla extract




  • Preheat the oven and set aside a baking sheet lined with parchment paper.
  • In a mixing bowl, cream together the butter, sugar, and vanilla extract until smooth.
  • Mix in the egg and a pinch of salt until well combined. The egg must be thoroughly mixed into the butter.
  • Mix in the cornstarch until well combined. You should be able to shape the dough into a ball, and it should be soft and malleable enough to use in a cookie press. It should not stick to your hands.
  • The traditional method for making these cookies is to roll the dough into small balls, place them on a baking sheet, and flatten them with a fork dipped in cornstarch. Continue to dip the fork into the cornstarch as needed.
  • Sprinkle hundreds and thousands on top of all cookies.
  • Place the cookies in the oven and bake for about 12 minutes. Be careful not to overbrown the cookies; they should be a light, white/golden color.

Other FAQs about Cornstarch that you may be interested in.

Why do people eat corn starch?

What can I substitute for Cornstarch?

What can I substitute for cornstarch in pie?


In the brief guide, we discussed answering the question ‘Where can you buy cornstarch’ with a detailed analysis of what safety measures are to keep in mind when preparing it.




Hi, I am Charlotte, I love cooking and in my previous life, I was a chef. I bring some of my experience to the recipes on this hub and answer your food questions.