This post contains affiliate links. As an Amazon Associate I earn from qualifying purchases. If you click a link and make a purchase, I may receive a small commission at no extra cost to you.
You can freeze yellow squash and zucchini easily by blanching or shredding them first, then packing them into freezer-safe bags.
It’s one of the best ways to preserve your summer harvest so you can enjoy yellow squash and zucchini all winter long.
Whether you grow them in your garden or buy them fresh at the farmers market, freezing yellow squash and zucchini helps you avoid waste and save money.
In this post, we’ll walk through exactly how to freeze yellow squash and zucchini, the best methods, and a few tips to keep them tasting great.
How Do You Freeze Yellow Squash and Zucchini?
You freeze yellow squash and zucchini by choosing the right method for how you plan to use them later.
There are two main ways to freeze yellow squash and zucchini: the blanch-and-freeze method and the shred-and-freeze method.
The blanch method works best for slices you’ll later sauté, roast, or add to soups and casseroles.
The shred method is perfect for baking, fritters, and quick breads because the texture doesn’t matter once it’s mixed into batter.
Either way, freezing yellow squash and zucchini is simple once you know the steps.
1. Pick or Buy Fresh, Firm Squash
Start with yellow squash and zucchini that are firm, blemish-free, and on the smaller side.
Smaller squash have fewer seeds and better texture, which matters a lot when you freeze yellow squash and zucchini.
Avoid any with soft spots, mold, or a spongy feel because those won’t hold up well in the freezer.
2. Wash and Trim the Ends
Rinse your yellow squash and zucchini under cool running water to remove dirt and grit.
Cut off both ends, then decide whether to peel them or leave the skin on.
You can leave the skin on when you freeze yellow squash and zucchini because it holds up fine and adds nutrients.
3. Slice, Cube, or Shred
For the blanch method, slice yellow squash and zucchini into rounds or half-moons about half an inch thick.
For the shred method, use a box grater or food processor to shred the zucchini and yellow squash.
Shredded zucchini is the easiest way to freeze yellow squash and zucchini when you plan to bake with them later.
Blanching Yellow Squash and Zucchini Before Freezing
Blanching is the key step that keeps frozen yellow squash and zucchini from turning to mush.
It stops the enzymes that cause color, flavor, and texture to break down in the freezer.
Here’s how to blanch yellow squash and zucchini the right way.
1. Boil Water and Prep an Ice Bath
Bring a large pot of water to a rolling boil and fill a big bowl with ice water.
The ice bath shocks the squash right after boiling, which stops the cooking process instantly.
This keeps your yellow squash and zucchini crisp-tender instead of soggy.
2. Blanch for About 3 Minutes
Drop the sliced yellow squash and zucchini into the boiling water and set a timer.
Blanch them for about 3 minutes, or until they’re slightly tender but still bright.
Don’t overcook them, because mushy squash stays mushy even after you freeze yellow squash and zucchini.
3. Shock in the Ice Bath
Scoop the squash out and plunge it straight into the ice water for 3 to 5 minutes.
Once cooled, drain the yellow squash and zucchini thoroughly and pat them dry with a clean towel.
Remove as much moisture as you can, since extra water leads to freezer burn.
4. Flash Freeze Before Bagging
Spread the blanched yellow squash and zucchini in a single layer on a baking sheet.
Pop the tray in the freezer for about an hour so the pieces freeze individually.
This flash-freeze step keeps your yellow squash and zucchini from clumping into one solid block.
How to Package and Store Frozen Yellow Squash and Zucchini
Proper packaging is what protects your yellow squash and zucchini from freezer burn.
Here’s how to store them so they last for months.
1. Use Freezer-Safe Bags or Containers
Transfer the frozen yellow squash and zucchini into freezer bags or airtight containers.
Squeeze out as much air as possible from the bags before sealing them.
Label each bag with the date so you know how long your yellow squash and zucchini have been stored.
2. Remove Excess Air
Air is the enemy of frozen food, so press the bag flat and push out every bit of air.
You can also wrap shredded yellow squash and zucchini in plastic wrap before bagging for extra protection.
This simple step helps you freeze yellow squash and zucchini without ice crystals forming.
3. Store at 0°F or Below
Keep your frozen yellow squash and zucchini at 0°F (-18°C) or colder for the best quality.
At that temperature, they’ll stay good for about 10 to 12 months.
Always use the oldest packages first so nothing goes to waste.
4. Thaw and Use Correctly
When you’re ready to cook, thaw frozen yellow squash and zucchini in the fridge overnight.
For soups, stews, and casseroles, you can toss them in frozen without thawing first.
Keep in mind that thawed yellow squash and zucchini work best in cooked dishes rather than raw salads.
So, How Do You Freeze Yellow Squash and Zucchini?
You freeze yellow squash and zucchini by washing, slicing or shredding them, blanching the slices, and packing them into freezer-safe bags.
If you shred them instead, you can skip blanching and freeze yellow squash and zucchini straight in measured portions.
Either method lets you enjoy your harvest for up to a year without losing flavor or nutrition.
Now that you know how to freeze yellow squash and zucchini, your garden bounty will never go to waste again.