It’s sweet corn time in Iowa, and that means one thing: drop everything and freeze the corn. The last time we did this, my family froze 50 quarts of corn in under 4 hours, start to finish, and I’m walking you through exactly how we did it so you can pull it off too, whether you’re freezing 5 quarts or 50.

I love having freshly frozen corn on hand for taco soup, vegetable soups, and cowboy caviar all winter long. My family (me, my husband, my father-in-law, and the kids) froze all 50 quarts for about $1.25 in supplies, mostly for the freezer bags.

Here’s how that time actually breaks down for a 50-quart batch:

• Picking the corn: 15 minutes
• Shucking, cleaning, and blanching: about 2.5 hours (this is where most of the time goes, and it’s easy to split across several people)
• Cooling, cutting off the cob, and bagging: about 1 hour
• Total, field to freezer: around 3 hours 45 minutes

Kitchen cleanup took another 15 minutes on top of that, but since almost everything happens outdoors, there’s barely any mess to deal with in the first place. That timeline holds for a big group effort like ours. If you’re working solo or with a smaller batch, the process is the same, it’ll just take proportionally less time.

The problem with sweet corn is that it’s all ready at once. When it’s ready, you drop everything and freeze corn, so it’s important to pick it at just the right time.

Freezing corn used to be an all-day affair with me and other female relatives camped out in the kitchen. There’s a much better way. Here’s the method we’ve landed on after years of doing this.

Our Method for Freezing a Big Batch of Corn Fast

We’ve been lucky the last couple of years to have awesome neighbors who grow the corn for us. We just show up and pick it out of the field near our little homestead.

We brought the corn home in our tractor and then involved the whole family in shucking and cleaning in the shade of the garage. While the water came to a boil in the outdoor cooker, everyone was busy in the garage.

How to Shuck Corn like a Pro

The longest part of the process is shucking every single ear of corn. To shuck corn like an Iowan, grab the top leaves and the tassel with one hand, and hold on to the bottom of the corn with the other hand. Yank down hard on the leaves while snapping the bottom. The corn should come on out pretty easily. 

You’ll also want to get as many of the silks off the corn as possible. Did you know there is one silk for each corn kernel? Getting all those little hairs off the cobs is one of the worst parts. The other thing you have to get used to is corn worms, called corn borer. Corn often has these borers near the tip.

If you find pests, just break the tip of the corn off and throw it in the compost pile. My chickens love to eat them!

Blanching the Corn

Now it’s time to blanch the corn in boiling water. Boiling the corn in a large pot outdoors keeps my kitchen so much cooler and cleaner, plus the pot is so big I can cook so much more corn at once. 

I love using the outdoor cooker for freezing corn. Blanch the corn for 4-5 minutes (after you’ve shucked and cleaned it).

We take each corn cob out of the pot individually using tongs for two reasons. First, it leaves as much hot water in the pot as possible. That means the water will return to boiling faster.

Second, getting the corn out of the hot water quicker helps it to cook off quicker. Put the corn in a large bowl and then dump in an ice water bath.

Cool in a big, clean tub until you can handle it. It’s helpful to use ice to cool the corn more quickly to stop the cooking process. If you’re doing a lot of corn, you might need a couple bags of ice.

Cutting the Kernels off the Cobs

Cutting the corn off the cobs is the worst part, but the Kuhn Rikon Corn Zipper makes all the difference. Seriously, if you’re cutting corn off the cob, I highly recommend that you invest in the Corn Zipper. You won’t regret it.

Bag it up, clean off the bags, label them and freeze! I use quart bags because I have a large family. But you can use whatever size baggies you’d like.

Make sure to squeeze as much air out of the bags as possible to prevent freezer burn. If you flatten the bags as much as possible, you won’t need as much freezer space to store the corn. Your corn should last for 12 months in a deep freeze.

Variations on Freezing Corn

There’s more than one way to get sweet corn into your freezer, depending on how you plan to use it later. I haven’t tried these methods myself, but lots of people like them.

Freeze it on the cob. Skip the cutting step entirely. Blanch and cool the ears as usual, then pack whole cobs into gallon freezer bags. This takes up more freezer space, but it’s the fastest option if you want corn on the cob later instead of cut kernels.

Skip blanching for short-term storage. Some home cooks freeze raw, shucked ears straight from the field, checking carefully for pests first. It’s less work up front, but the corn won’t hold its quality as long in the freezer, so this works best if you’ll eat it within a couple of months.

Bake it first. For an already-seasoned option, cut the kernels off, toss with butter, and bake at a low temperature for about 10-15 minutes before cooling and freezing. It’s an extra step, but you end up with corn that’s ready to reheat and serve right away.

How to Store Frozen Corn

Properly frozen corn keeps its flavor and texture for up to 12 months in a deep freezer.

• Squeeze out the air. Whether you use freezer bags, freezer-safe canning jars, or plastic containers, getting as much air out as possible is what prevents freezer burn.
• Flatten the bags. Flat bags freeze faster, thaw faster, and stack more efficiently than rounded ones, so you fit more corn in less space.
• Label everything. Note the date and quantity on each bag so older corn gets used first.
• Reheating: Boil frozen corn in a small amount of water until heated through, or microwave it in a covered dish with a splash of water. It should still have a bit of crispness if it was blanched properly and not overcooked before freezing.

Ways to Use Your Frozen Corn

Once you’ve got a freezer full of corn, here are a few places to put it to use:

• Taco Soup, stir a couple cups in during the last few minutes of cooking
• Cowboy Caviar, thaw and drain before mixing in
• Vegetable soups and chowders of any kind
• A quick side dish, sauteed with butter and a little salt

Total cost for 50 quarts of corn: $1.25 for the freezer bags because I scored a super sweet deal. 30 minutes to pick. 3 1/2 hours to process. 15 minutes to tidy my kitchen. Those numbers make me happy. And my father-in-law’s sweet corn isn’t even ready yet. If we can keep the raccoons out, we may have more. 🙂

Looking for more ways to preserve the garden bounty? You might like these posts too.

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The Quick and Easy Guide to Canning Crushed Tomatoes

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