What’s Inside: In this article, I share step-by-step instructions for dehydrating frozen corn – with photos. I also show you how to rehydrate the dehydrated corn, as well as give you my top picks for freeze dried and dehydrated corn, if you want someone else to do the work for you. 🙂

In this article I’m going to share with you a simple yet effective way to dehydrate frozen corn.

But before we dive into the nitty-gritty, let’s talk about why you might want to do this in the first place. 

According to several sources, you should aim to store upwards of 300 pounds of grains per person per year. Sounds like a lot, right? The good news is that this category is broad and includes rice, flour, oats, and yes, corn. Dehydrating corn not only reduces it to a compact, easy-to-store size but also provides a versatile ingredient for your soups, stews, and other dishes. Plus, it’s incredibly easy to do! 

While you can buy pre-dehydrated or freeze-dried corn, there’s something satisfying about doing it yourself. BUT, if you want to hit the easy button when it comes to adding dehydrated or freeze-dried corn to your prepper pantry, here is the product I recommend.

So, without further ado, let’s get into the how-to of dehydrating frozen corn. 

Step-by-Step Guide to Dehydrating Frozen Corn 

Dehydrating frozen corn is a straightforward process. First up, you’ll need to spread your frozen corn onto your dehydrator trays. If you’re wondering whether to thaw the corn first, it’s up to you. The process varies slightly depending on whether the corn is frozen or thawed (more on that shortly). 

Use a Mesh Screen to Keep the Corn From Falling Through the Dehydrator Trays 

mesh screens keep small items from falling through dehydrator trays.

Since corn kernels are small, use a mesh dehydrator screen to prevent them from falling through the tray holes. 

Place the Frozen Corn on Your Dehydrator Trays in a Single Layer (if Possible) 

When dehydrating frozen corn, spread the corn onto your dehydrator trays in a single layer whenever possible.

Now, the ideal situation is to have your corn in a single layer, but depending on how much corn you’re dehydrating and the number of trays you have, some overlapping might be inevitable. That’s okay—it just means the process may take a little longer. The key is to distribute the corn evenly on your trays and spread it out as much as possible. 

When Dehydrating Frozen Corn, Dehydrate at 145 Degrees F. – For the First 2 Hours 

When dehydrating frozen corn, set the dehydrator temperature to 145 degrees Fahrenheit for the first 2 hours.

If you’re starting with frozen corn, run the dehydrator at 145 degrees Fahrenheit for the first two hours. After that, you can reduce the temperature to 125 degrees. If you’re starting with thawed corn, set the temperature to 125 degrees right off the bat, and keep it consistent throughout the process. 

After 2 Hours in the Dehydrator 

Frozen corn, after 2 hours in the dehydrator.
Here’s what the frozen corn looked like after 2 hours in the dehydrator.

Let’s see how our golden kernels are doing after two hours in the dehydrator.  

After a couple of hours, the frozen corn is partially dry, but still has quite a bit of moisture. So, it’s time to dial down the heat to 125 degrees. 

Now, you might be thinking, “Why not crank up the heat and speed up the process?” Well, that’s a no-go, folks. Dehydrating food at too high a temperature can actually encourage bacterial growth. We’re not trying to create a microbe party here. We want dry corn. So, patience is key. 

After 4 Hours in the Dehydrator 

frozen corn after 4 hours in the dehydrator.
Here’s what the corn looked like after 4 hours in the dehydrator.

Fast forward another two hours and our corn is almost completely dry. But when it comes to dehydrating, it’s better to be safe than sorry.  

6 Hours Total Dehydrating Time

Corn after 6 hours in the dehydrator.

We let it run for another two hours, making a total of six hours, and voila! Perfectly dehydrated corn. 

Pro tip: This is the dehydrator (Amazon) that I used to dehydrate the corn. It is a great, all around dehydrator, that is reasonably priced. Since it’s been around for a long time, it’s easy to find accessories, such as the mesh screens. I also like that it’s expandable, up to 12 trays. Another plus is that it’s made the USA, so if that’s important to you, be sure to check it out.

Benefits of Dehydrating Frozen Corn 

Let’s talk about the benefits of dehydrating frozen corn. The first benefit is that it’s super easy! You don’t have to do any prep work. Just dump the frozen corn straight from the package onto your dehydrator trays. It doesn’t get any easier than that! 

You Can Store a Lot of Dehydrated Corn in a Small Space 

after 6 hours in the dehydrator, the frozen corn shrunk in size from nearly two quarts, to about a half a quart.
Look how much the corn shrunk when fully dehydrated!

Notice how much the corn has shrunk? We started with nearly two quarts of frozen corn, and now it barely fills half a quart jar. That’s the magic of dehydration. It allows you to store a lot more food in a much smaller space compared to canning or freezing. 

Rehydrating Dehydrated Corn 

Soaking dehydrated corn in hot water to rehydrate it.
On the left is thawed, frozen corn that hadn’t been dehydrated. On the right is the corn rehydrated.

But what about rehydration, you ask? Well, that’s just as easy. Simply cover the dehydrated corn with hot water and wait about five minutes. You’ll see the corn plump up almost to its original size, looking very similar to thawed frozen corn. 

In fact, I’ve served this rehydrated corn to my family many times, and they’ve never noticed the difference. It also works brilliantly in soups and stews. And if you’re wondering, yes, you can munch on the dehydrated corn. It’s surprisingly sweet and crunchy, and pairs well with dried fruits like raisins or cranberries. 

So, there you have it, folks—an easy and fun way to dehydrate frozen corn, saving space and creating a versatile ingredient for your culinary adventures. Give it a try and let us know how it goes. Or if you’re already a pro at dehydrating veggies, share your tips and tricks in the comments below. Happy dehydrating! 

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