Can You Freeze Sweetcorn?

It’s one of nature’s sweetest gifts and is packed full of goodness, but what happens if you’ve shucked a few too many cobs and have an abundance of sweetcorn that you don’t know what to do with.

Is all lost? Or can you freeze sweetcorn with success?

The Quick Answer

Yes, you can freeze sweetcorn. Sweetcorn can be frozen for around 1 year. For the best results when freezing sweetcorn, blanch it for a minute in boiling water before bagging it up and freezing it. 

How To Freeze Sweetcorn

In this section, we’re going to take a look at two methods for freezing corn. For both methods, you’ll need your corn kernels to be removed from the cob so that’s the first step you need to take.

You then need to decide which of the following two methods to use for freezing:

How to Freeze Sweetcorn without Blanching

If you’re pushed for time then this is the method to follow. It is not, however, a method we would advise if you do have the time to blanch it beforehand: 

  1. Portion Into Bags
    Grab some freezer bags and spoon your sweetcorn into the bags. You’ll want to freeze them in portions so consider how much corn you will use at a time. There is a chance that the kernels will all stick together here.
  2. Seal Tightly
    Seal the bags up, removing as much air as possible. You can do this using a straw to suck out the excess air.
  3. Freeze
    Place the bags into the freezer.

As you can tell, this is a very easy method.

The problem is that the texture will change almost instantly when frozen. That’s why it can be better to consider blanching your sweetcorn before freezing – a method we have outlined below:

How to Freeze Sweetcorn with Blanching

  1. Blanch Sweetcorn
    Bring a large pot of water to the boil and then blanch your sweetcorn for just 1 minute. Drain immediately and then tip into a bowl of ice-cold water to stop any further cooking.
  2. Cool Then Bag
    Allow your sweetcorn to cool before portioning into freezer bags.
  3. Seal and Freeze
    Seal the bags up, removing as much air as possible, as always. Then place these bags into the freezer.

Of course, blanching sweetcorn before you freeze it does take a little extra effort and time. But the benefits of doing so make it worthwhile.

You’ll find blanching will look in the texture and flavour of your sweetcorn far better. You’ll also find it less watery than the other options for freezing it.

How to Freeze Corn on the Cob

This actually brings us on to the third and final method for freezing sweetcorn… And that’s still on the cob.

You first need to prepare your sweetcorn as you normally would by shucking and cleaning the cob to remove husks. Once you’ve done that, you can get to freezing your corn on the cob:

  1. Bag Up
    Once your corn on the cob is cleaned, place it into a freezer bag. You can place as many as you want into each bag but beware that there is a risk they will stick together.
  2. Seal
    Seal the bag up, removing as much air as possible.
  3. Freeze
    Place the bags into the freezer.

As you can tell, this is a super quick and easy method for freezing sweetcorn but there are negatives. When you come to use the corn, you are committed to using whole corn on the cob and not just a handful for a quick snack or sweetcorn salsa.

The other negative is that when you then cook the corn on the cob, it can be a little watery.

3 Tips for Freezing Sweetcorn

Now you know how to freeze it, we’ve got our 3 top tips which we strongly recommend following when freezing sweetcorn to have the best results:

  • Blanch It Beforehand – Blanching has a number of benefits which is why we would advise doing so if time allows. It will help the sweetcorn to retain its texture, colour and flavour. 
  • Shake the Bag – Once the bag has been in the freezer for 30 minutes or so, give it a vigorous shake to ensure none of the sweetcorn kernels clumps together. It won’t prevent all sticking but it can help. 
  • Mix with Other Veggies – If you want to create ready-to-go bags of veggies then try freezing sweetcorn with other vegetables such as peas, chopped carrots or broccoli florets. 

How Long Can You Freeze Sweetcorn?

Sweetcorn will remain of high quality in the freezer for a surprisingly long time. In fact, you can keep your sweetcorn frozen for up to a year.

As always, do your best to label the bags with the contents and either the date it was frozen or the date it needs to be consumed by.

You Can Freeze Sweetcorn for Around 1 FULL Year

How Do You Defrost Sweetcorn?

It’s further surprising news! Because you don’t actually need to defrost your sweetcorn – even if you have frozen it on the cob.

If you have frozen corn on the cob, submerge the ears into boiling water and cook for around 4 minutes until it is done to your liking. You can then strip the corn off the cob or you can grill the cobs to give them some colour and enjoy (smothered in butter, of course).

If you have frozen blanched or unblanched sweetcorn then you can use it straight in a pan to warm through. It’ll take just a matter of minutes to thaw and then warm up.

Can You Refreeze Sweetcorn?

This is not something we would recommend. Refreezing your sweetcorn can cause the texture to break down at a rapid rate. You may find yourself left with unenjoyable, watery sweetcorn that you don’t want to eat.

Instead, try to only remove the amount you know you’ll eat from the freezer.

Does Sweetcorn Freeze Well?

Sweetcorn, like a lot of vegetables, freezes remarkably well. If you don’t blanch your sweetcorn, there is a chance you will notice a texture change and the flavour may become a little milder.

But if you can spend a little time blanching it, you’ll be hard pushed to spot the difference between frozen and fresh sweetcorn.

Related FAQs

If you’ve still got questions about freezing sweetcorn or corn in general, then these may help:

Can You Freeze Sweetcorn Fritters?

It’s possible to freeze sweetcorn fritters and it is perfectly safe to do so. But don’t expect them to have the same texture. When you eat them fresh, they’ll have a delicious crunch but once frozen, this will be lost and they can become a little squidgy.

Can You Freeze Succotash?

Freezing succotash is actually something we have covered on FreezeIt. The simple answer is, yes you can! But there are a couple of caveats you’ll want to know before you do freeze it so check out our guide to freezing succotash.

Can You Freeze Tinned Sweetcorn?

First of all, if you haven’t opened your tin of sweetcorn then it will last in the cupboard for months and months. If you find yourself often using half a standard-sized tin then try to buy the small, half-sized tins.

That way you will definitely avoid any unwanted waste. Having said that, you can freeze tinned sweetcorn using the method we have outlined above.

Can You Freeze Baby Corn?

Baby corn can be frozen. Blanch it for a few minutes, drain and dry then spread out onto a baking tray. Freeze this tray of baby corn. Once frozen, tip into a bag and then store in the freezer until you need it. 

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