Why flash-freeze berries before bagging

Freezing them loose on a tray first stops them from fusing into one block, so they pour out of the bag. The XXL size then holds the entire haul in one bag.

Should I wash berries before freezing

Only if needed, and dry them very well afterward. Surface moisture freezes into ice and makes the berries stick together.

How long do frozen berries last

Six to nine months for best quality in an airtight bag. Label the date and use older bags first.

Is a gallon bag too big for berries

For a bulk haul the size is exactly the point, holding far more than a small bag. The same bag then handles freezing soup flat or repackaging pantry buys.

Freeze a Costco Berry Haul

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Freeze & Store

Freeze a Costco Berry Haul

When you bring home a flat of berries from Costco, you need somewhere big to put them, and a gallon bag is built for bulk. The trick is to flash-freeze the berries on a tray first so they freeze loose, then pour them into the XXL Blue bag where they stay pourable instead of clumping into one frozen brick. The large size holds a whole haul, and the tinted Blue silicone hides the frosted look so the bag stays neat in the freezer.

Flash-freeze2-3 h

Holdsbulk berries

Stores6-9 months

Bag1 gallon

What you need

A large haul of berries (strawberries, blueberries, raspberries, or a mix)
Sheet pans or trays lined with parchment
A marker or label
1 XXL Silicone Food Storage Bag (Blue)

Directions

Rinse the berries only if needed and dry them very well; surface water turns to ice and makes them clump.
Hull and halve strawberries if you like; leave smaller berries whole.
Spread the berries in a single layer on parchment-lined trays so they do not touch.
Freeze the trays 2 to 3 hours until the berries are frozen solid.
Pour the loose frozen berries into the Blue bag, press out the air, and seal. They stay pourable so you can scoop out what you need.
Label and date the bag and store it flat in the freezer. Use the berries straight from frozen for smoothies, baking, or oatmeal.

Tips and notes

Dry the berries thoroughly; moisture is what causes a solid clump.
Flash-freezing on a tray first is the key step that keeps the berries loose and scoopable.
Do not wash delicate raspberries until you are ready to use them; freeze them dry.
The Blue tint hides freezer frost, so a months-old bag still looks clean.

Get the XXL Silicone Bag

The Blue XXL bag holds a whole bulk berry haul and keeps flash-frozen berries loose and pourable. The leakproof seal locks out freezer air and the tinted silicone hides frost.

See the Blue Bag

Albino Monkey XXL Silicone Food Storage Bag (Blue)

Common questions

Why flash-freeze berries before bagging: Freezing them loose on a tray first stops them from fusing into one block, so they pour out of the bag. The XXL size then holds the entire haul in one bag.
Should I wash berries before freezing: Only if needed, and dry them very well afterward. Surface moisture freezes into ice and makes the berries stick together.
How long do frozen berries last: Six to nine months for best quality in an airtight bag. Label the date and use older bags first.
Is a gallon bag too big for berries: For a bulk haul the size is exactly the point, holding far more than a small bag. The same bag then handles freezing soup flat or repackaging pantry buys.