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How to Freeze Squash

by Jack Grover
Reading time: 11 min Prefer to listen?

Looking for a way to add a nutritious boost to your meals all year round? Squash, a versatile and bountiful harvest vegetable, could be your ideal solution.

With an array of squash types differing in flavor, texture, and nutritional profile, it’s possible to create unique dishes in every season. The only trick is mastering the art of preserving it. The simple key: freezing squash. 

In this article, we’ll walk you through the different methods for freezing each type of squash, ensuring that it stays in its best form when thawed. Whether it’s butternut, spaghetti, or summer squash, we’ve got you covered.

Key Takeaways

Freezing squash allows you to enjoy it year-round and preserve excess squash from your harvest.
Different types of squash require different freezing methods, such as blanching and flash freezing for summer squash and cubing for winter squash.
Butternut squash can be frozen by peeling, cubing, and freezing, while spaghetti squash requires baking, separating the strands, and draining before freezing.
Summer squash should be blanched before freezing to avoid a mushy texture.

Choosing the Right Squash for Freezing

To choose the right squash for freezing, make sure to select firm and blemish-free ones. You want squash that feels solid when you gently press on it and doesn’t have any soft spots or bruises.

Look for squash with vibrant color and smooth skin. Avoid squash that feels mushy or has wrinkled skin, as these are signs of spoilage. It’s important to choose squash that is in its prime and hasn’t started to deteriorate.

When freezing squash, you want to preserve its best quality, so starting with good quality squash is essential.

Blanching and Flash Freezing Summer Squash

Summer Squash


Blanch the slices or cubes of summer squash in boiling water for one minute before flash freezing them on a baking sheet. This simple step helps preserve the texture and flavor of the squash when you decide to thaw and use it later.

Here are some tips to help you enjoy the process of freezing summer squash:

Benefits of Freezing Squash

  • Enjoy squash year-round, not just in summer.
  • Preserve excess squash from your harvest.
  • Keep squash in ready-to-eat form for your favorite meals.
  • Store squash in the freezer without losing freshness.
  • Convenient solution when you’ve run out of cooking ideas.

Methods for Freezing Squash

  • Different types of squash require different freezing methods.
  • Blanch and flash freeze summer squash and zucchini.
  • Cube and flash freeze winter squashes.
  • Additional cooking steps for freezing spaghetti squash.
  • Proper freezing ensures the best quality when thawed.

Cubing and Flash Freezing Winter Squash

Winter Squash


Cubing and flash freezing winter squash is a simple method for preserving its freshness and texture.

  • To start, choose a ripe and firm winter squash, such as butternut or acorn. Peel the squash, remove the seeds, and cut it into 1-inch cubes.
  • Next, spread the cubes on a parchment paper-lined baking sheet and place it in the freezer for about an hour. Once the squash is frozen, transfer it to a freezer bag for long-term storage.
  • When you’re ready to use it, simply thaw the frozen cubes and they’re ready to be roasted or added to soups and stews.

Freezing winter squash this way ensures that it stays in its best quality when thawed, allowing you to enjoy its delicious flavor year-round.

Freezing Butternut Squash for Extended Shelf Life

When freezing butternut squash, it’s important to peel, seed, and cut it into 1-inch cubes for optimal storage. This ensures that the squash freezes evenly and is ready to use whenever you need it.

Butternut Squash


Here are some tips to help you enjoy the process:

Preparing the Squash

  • Start by peeling the butternut squash using a vegetable peeler or a sharp knife.
  • Cut the squash in half lengthwise and scoop out the seeds with a spoon.
  • Slice the squash into 1-inch cubes, ensuring they are all similar in size.

Flash Freezing

  • Spread the cubes on a parchment paper-lined baking sheet, making sure they don’t touch each other.
  • Place the baking sheet in the freezer and let the squash cubes freeze for about an hour.
  • Once frozen, transfer the cubes into freezer bags or airtight containers for long-term storage.

Preparing and Freezing Spaghetti Squash for Long-Term Storage

Spaghetti Squash


To prepare and freeze spaghetti squash for long-term storage, follow these steps:

1. Preheat the oven and slice the squash in half, removing the seeds.

2. Place the squash halves on a baking sheet and bake them until they become fork-tender.

3. Let the squash cool before using a fork to scrape out the spaghetti-like strands of flesh.

4. Drain the squash to remove any excess moisture.

5. Pack the squash into freezer bags, making sure to remove as much air as possible.

6. Label the bags with the date and place them in the freezer for up to one year.

When you’re ready to use the frozen squash, simply thaw it in the refrigerator overnight or in a microwave. Freezing spaghetti squash is a great way to have this versatile vegetable on hand for your favorite recipes throughout the year.


So there you have it, freezing squash is a great way to enjoy it all year round and preserve your harvest. Whether you’re freezing summer squash, winter squash, butternut squash, or spaghetti squash, the key is to follow the proper methods for each type.

By blanching and flash freezing summer squash, cubing and flash freezing winter squash, or peeling and cubing butternut squash, you can ensure that your squash maintains its quality when thawed.

And don’t forget to bake, cool, and separate the strands of spaghetti squash before freezing.

Now, you’re ready to enjoy delicious squash dishes anytime!

Frequently Asked Questions

Can I Freeze Squash Without Blanching It?

Yes, you can freeze squash without blanching it. However, keep in mind that freezing without blanching may result in a mushy texture. Blanching helps preserve the quality of the squash when thawed.

How Long Can I Store Frozen Squash?

You can store frozen squash for several months without losing its freshness. Freezing extends the shelf life and allows you to enjoy squash any time of the year. Just make sure to properly freeze and store it for best quality when thawed.

Can I Freeze Squash in Its Whole Form?

Yes, you can freeze squash in its whole form, but it’s not recommended. Freezing whole squash can result in a mushy texture and make it difficult to use later. It’s better to slice or cube the squash before freezing.

Can I Freeze Squash That Has Already Been Cooked?

Yes, you can freeze squash that has already been cooked. Let it cool, then transfer it to freezer-safe containers or bags. Make sure to label and date them for easy identification later.

Can I Freeze Squash That Has Been Seasoned or Marinated?

Yes, you can freeze squash that has been seasoned or marinated. However, keep in mind that the flavor may change slightly after freezing. It’s best to label the container with the type of seasoning or marinade used for easy identification later.

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