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How to Freeze Raspberries – Sustainable Cooks

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

A jar of frozen raspberries with a sprig of mint on a wooden board

Have an amazing glut of fresh raspberries? What a great “problem” to have!

After you’ve already made No-Cook Raspberry Freezer Jam and eaten as much as you can, what’s your next step? Freezing all the extras for delicious future snacks and treats, of course!

What is the Best Way To Freeze Raspberries?

Flash freezing, or the act of freezing food individually, allows the food to be stored without clumping together. In this instance, we’re going to put the raspberries on a rimmed baking sheet and freeze them for 2 hours. Easy peasy!

a tray of frozen raspberries

How to Store Frozen Raspberries

Once frozen, you can transfer the raspberries to freezer storage (we love these reusable silicone bags) and scoop out whatever amount you need without having to hack away at a hunk of berries. Other options include:

  • Freezer-safe Ziploc plastic bags
  • Wide-mouth canning jars:
    • 8 oz jam jars = 1 cup berries
    • 16 oz pint jars = 2 cups berries
    • 32 oz quart jars = 4 cups berries
  • Freezer-safe reusable snap-tight containers 
  • Souper Cubes for premeasured portions of frozen raspberries.

Do You Wash Berries Before You Freeze Them?

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


You can freeze raspberries 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 Raspberry Lemon Creme Brulee or Frozen Berry Cake. How much would your snowy January day improve with a homemade summery dessert?

How to Thaw Frozen Raspberries

It depends on how you want to use them. For things like jam or overnight oats, or yogurt cups, it’s great to allow them to thaw in their own juices.

For quick thawing – place the (sealed) freezer bag in a large mixing bowl filled with warm water. Replace the water every 20 minutes when it cools.

For basic thawing – place the freezer bag in a large mixing bowl and allow it to sit at room temperature or in the fridge. For a 1-gallon bag of raspberries, it will take up to 12 hours in the fridge, or 4-6 hours at room temperature to completely thaw.


Interested in growing your own amazing raspberries? Check out this post on how to build a raspberry trellis for under $50 to produce hundreds of dollars worth of berries every year.

a smiling boy with a raspberry on his finger

Prevent your screen from going dark

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

  • Freeze for 2 hours. 

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

  1. Berries are good in the freezer for 6-12 months.
  2. Using canning jars:
    • 8 oz jam jars = 1 cup berries
    • 32 oz quart jars = 4 cups berries
    • 16 oz pint jars = 2 cups berries

Serving: 1cupCalories: 65kcal

Nutrition information is automatically calculated, so should only be used as an approximation.



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