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Freezing Blackberries {How to Freeze Blackberries}

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Learn all the tips and tricks for Freezing Blackberries to stock your freezer with this amazing seasonal fruit. Learning how to freeze blackberries is a great way to preserve this delicious summertime crop without needing any special equipment. 

a bowl of frozen blackberries with a sprig of mint

Blackberries are the unofficial weed of Western Washington. Buying blackberries here is like buying dandelions; they’re EVERYWHERE in the wild!

We pick wild blackberries in our neighborhood for three to four weeks each summer. Once we’ve eaten our fill, we make Blackberry Freezer Jam, Blackberry Syrup, Homemade Blackberry Crisp, and of course, Peach Moscow Mules garnished with blackberries.

And even after we’ve enjoyed all of those things, there are still more blackberries! Oh, what a “problem” to behold. The solution? Freezing blackberries for future delicious recipes and snacks!

I’m here to show you how.

CAN YOU FREEZE blackberries?

Heck yes, you can (and should)! Just like freezing cherries, freezing strawberries and freezing peas, knowing how to freeze blackberries is a great skill to have.

What is the Best Way To Freeze Blackberries?

Freezing the berries individually so they don’t clump up in a freezer bag is the best and easiest way to freeze blackberries.

Do You Wash Berries Before You Freeze Them?

Yes! A good rinse will remove fluff and plant debris, which nobody wants in their blackberries.

TOOLS FOR FREEZING blackberries

HOW TO FREEZE blackberries

*A printable and detailed recipe card is available at the bottom of this post.

Rinse your blackberries in a colander and set aside to drain and air dry a bit.

Line a rimmed baking sheet with parchment or a silpat. 

Add the blackberries to the baking sheet and place the tray in the freezer.  Pro tip: If you have a lot of blackberries to freeze at once, lay another piece of parchment on top of the berries and top with an additional layer of fruit. 

blackberries on a rimmed baking sheet

Freeze for about six hours. 

Break apart any clumps that have formed on the baking sheet and transfer the blackberries to freezer-proof storage.

blackberries on a freezer sheet

If you’re using Ziploc-style bags, removing additional air from the bag will keep your berries safe from freezer burn. Sure, there are expensive machines to remove air from freezer storage containers, but with a simple straw, you can achieve similar results.

Place a straw in the corner of a freezer bag and close the bag as tightly as possible. Suck the air out through the straw 1-2 times and quickly remove the straw and seal the bag. 

I really like these silicone freezer bags because they stand upright on their own, making them easy to fill. You can also label them easily with a dry erase marker.

If you’re looking for additional reusable freezer storage options, check out this post on Zero Waste Food Storage Ideas.

How Do You Defrost Blackberries?

It depends on how you plan to use them. If you’re making a smoothie or a Chia Banana Pudding With Blackberry Sauce, there is no need to defrost the blackberries. For desserts, you can leave them in the fridge overnight, or a few hours on the counter at room temperature.

If you’re making jam, you can defrost the blackberries in the microwave on the stove. If you’re making blackberry syrup, go ahead and defrost them in the pot over low heat. Give it an occasional stir, to distribute the thawing juices. There is no need to add additional liquid.

HOW LONG CAN Blackberries BE FROZEN?

You can freeze blackberries in a traditional freezer for up to six months or a deep freeze for a year. Imagine in the dead of winter pulling some berries from the freezer to make this Vanilla Layer Cake With Blackberry Buttercream.

How much would your snowy January day improve with a slice of that beautiful cake?

an overhead photo of frozen blackberries in a bowl

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a bowl of frozen blackberries with a sprig of mint
Print
Freezing Blackberries {How to Freeze Blackberries}
Prep Time
5 mins
Cook Time
10 mins
Freezing Time
6 hrs
Total Time
6 hrs 15 mins
 

Learn all the tips and tricks for Freezing Blackberries to stock your freezer with this amazing seasonal fruit. Learning how to freeze blackberries is a great way to preserve this delicious summertime crop without needing any special equipment. 

Course: Canning, How To
Cuisine: American
Keyword: freezing blackberries, how to freeze blackberries
Ingredients
Instructions
  1. Rinse your blackberries in a colander and set aside to drain and air dry a bit.

  2. Line a rimmed baking sheet with parchment or a silpat. 

  3. Add the blackberries to the baking sheet and place the tray in the freezer.  Pro tip: If you have a lot of blackberries to freeze at once, lay another piece of parchment on top of the berries and top with an additional layer of fruit. 

  4. Freeze for about six hours. 

  5. Break apart any clumps that have formed on the baking sheet and transfer the blackberries to freezer-proof storage.

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