Absolutely, it’s possible to prolong the shelf life of blackberries by freezing them. Appropriate freezing methods can maintain their freshness and texture for longer. The taste of blackberries can potentially improve over time when stored in the freezer as compared to storage in the refrigerator over an equivalent period.
Freezing blackberries in their original packaging might not provide sufficient air protection, which can lead to freezer burn. Individually freezing blackberries or using vacuum-sealed bags better preserves their flavor and texture. Individually freezing blackberries is the best method for freshness and longevity, as it minimizes air exposure and prevents freezer burn.
How To Freeze Blackberries Safely
- Whether you have brand new or leftover blackberries, choose your storage method. We typically recommend airtight plastic/glass containers or sturdy freezer bags for long-term storage freshness.
- Transfer it to where you plan to keep it.
- Be sure to leave about 1-2 inches of headspace to allow for expansion. Don’t leave too much room though because best practice is to limit air exposure as much as possible when freezing food.
- Label your containers or freezer bags as ‘Frozen blackberries’ with today’s date.
- Place the bags flat in the freezer so they freeze quickly. If you’re using containers instead, place them in the freezer upright. Once completely frozen, both the bags and containers can be stacked and/or positioned upright.
Defrosting Tips
When you’re ready to prepare the blackberries you just froze, do not thaw them at room temperature. Read our guide on how to thaw blackberries safely. Not only will it help you avoid foodborne illnesses, using the proper defrosting techniques keeps their texture & quality intact.
How Long Can You Freeze Blackberries?
You can freeze blackberries for up to 6-12 months as long as they’re frozen correctly. Freezing blackberries extends longevity & allows you to store them for an increased time but all frozen food expires eventually.
Freeze smaller blackberries portions within 2-3 days of purchasing for optimal freshness. Store leftover blackberries in an airtight container after they’re initially opened.
Removing & defrosting frozen blackberries within 6-12 months of freezer storage helps to prevent freezer burn, off-flavoring, and food poisoning. Anything longer than that puts the food at risk of:
| Consequences | Description | Recommendation |
|---|---|---|
| Freezer Burn | Dehydration and oxidation due to air exposure | Use well-sealed containers or bags |
| Loss of Freshness | Flavor and texture degradation over time | Consume within recommended time frame |
| Food Poisoning | Potential bacterial growth if improperly stored or thawed | Follow safe defrosting practices |