How To Make Squash Relish For Canning

To make squash relish for canning, you’ll need fresh summer squash, onions, peppers, vinegar, sugar, and a few key spices.
 
This tangy, sweet condiment is a fantastic way to preserve an abundant harvest, and the canning process ensures your squash relish stays shelf-stable for a year or more.
 
If you’ve never made squash relish for canning before, don’t worry—the steps are straightforward, and the payoff is a pantry stocked with a versatile topping for burgers, hot dogs, sandwiches, and more.
 
The most important thing is to follow a tested recipe that balances acidity and sugar correctly, because safe canning depends on proper pH levels.
 
In this post, I’ll walk you through how to make squash relish for canning, from picking the right squash to processing the jars, so you can enjoy your own homemade relish anytime.
 
Let’s dive into the world of making squash relish for canning, and by the end, you’ll be ready to fire up that water bath canner.
 

Why Make Squash Relish for Canning

Making squash relish for canning is one of the best ways to use up a bumper crop of zucchini or yellow squash.
 
These vegetables grow fast and plentiful, and relish transforms them into something you can enjoy long after the garden stops producing.
 
Here’s why so many home canners swear by squash relish.
 

1. It Uses Up an Abundant Harvest

If you’ve ever grown zucchini or yellow squash, you know how quickly they pile up on the counter.
 
Making squash relish for canning is a practical solution because one batch can easily use 10 to 12 cups of grated squash.
 
Instead of giving away armloads to neighbors or letting them go to waste, you can turn that abundance into jars of flavorful relish that last for months.
 

2. It’s a Safe and Reliable Canning Project

When you make squash relish for canning using a tested recipe, the vinegar and sugar create an environment that’s safe for water bath canning.
 
Unlike plain canned squash, which requires a pressure canner, relish has enough acid to prevent harmful bacteria growth.
 
That means you can process your jars in a boiling water bath, which is simpler and more accessible for most home cooks.
 

3. The Flavor Gets Better with Time

One of the joys of making squash relish for canning is that the flavors meld beautifully after a few weeks on the shelf.
 
The sweet, tangy, and slightly spicy notes deepen, and the texture softens just enough to become a perfect condiment.
 
So while you can eat it right away, your homemade squash relish for canning will taste even better if you let it cure for a month.
 

4. It’s Incredibly Versatile

Squash relish isn’t just for hot dogs.
 
You can spoon it over cream cheese for a quick appetizer, mix it into tuna salad, or use it as a zesty topping for grilled chicken.
 
Because making squash relish for canning yields multiple jars, you’ll always have a jar ready to elevate a meal.
 

Ingredients and Equipment for Squash Relish for Canning

Before you start making squash relish for canning, gather your ingredients and tools.
 
A reliable recipe is your foundation, so use one from a trusted source like the USDA or Ball Canning.
 

1. The Fresh Produce

You’ll need about 10 cups of grated summer squash, which is roughly 4 to 5 pounds.
 
Yellow squash and zucchini both work well, and you can even mix them.
 
You’ll also need 4 large onions and 2 to 3 bell peppers, preferably a mix of red and green for color.
 

2. The Brining Solution

To keep your relish crisp, you’ll toss the grated vegetables with pickling salt and let them sit for several hours or overnight.
 
This step draws out excess water, which is crucial when making squash relish for canning because too much liquid can ruin the texture.
 

3. The Vinegar, Sugar, and Spices

The pickling liquid typically includes white vinegar, sugar, mustard seed, celery seed, and turmeric.
 
These ingredients not only flavor the relish but also ensure the acidity is high enough for safe water bath canning.
 
Don’t alter the ratio of vinegar to vegetables when making squash relish for canning.
 

4. Canning Equipment

You’ll need a water bath canner with a rack, clean pint or half-pint jars, lids, and bands.
 
A jar lifter, funnel, and bubble remover are also helpful.
 
Having everything ready before you start making squash relish for canning makes the process smooth and stress-free.
 

Step-by-Step Guide to Making Squash Relish for Canning

Now let’s get into the actual process of making squash relish for canning.
 
Follow these steps carefully, and you’ll have beautiful jars of relish in no time.
 

1. Prepare the Vegetables

Grate the squash, onions, and peppers using a food processor or box grater.
 
Place them in a large bowl, sprinkle with pickling salt, and cover with cold water.
 
Let the mixture sit for at least 4 hours or overnight in the fridge.
 

2. Drain and Rinse Thoroughly

After brining, pour the mixture into a colander and rinse well under cold water.
 
Squeeze out as much liquid as you can using your hands or a clean kitchen towel.
 
This step is critical for making squash relish for canning because excess water leads to soggy relish.
 

3. Make the Pickling Liquid

In a large pot, combine vinegar, sugar, mustard seed, celery seed, and turmeric.
 
Bring to a boil, stirring until the sugar dissolves.
 
Add the drained vegetables and simmer for 10 minutes, stirring occasionally.
 

4. Fill and Process the Jars

Ladle the hot relish into sterilized jars, leaving half an inch of headspace.
 
Remove air bubbles, wipe the rims, and seal with lids and bands.
 
Process in a boiling water bath for 15 minutes (adjust for altitude).
 

5. Cool, Check Seals, and Store

After processing, let the jars cool undisturbed for 24 hours.
 
Check that each lid is sealed, then label and store in a cool, dark place.
 
Your homemade squash relish for canning is now ready to enjoy whenever you need it.
 

So, How Do You Make Squash Relish for Canning?

To make squash relish for canning, you grate fresh squash, onions, and peppers, brine them in salt, and simmer them in a sweet-tart vinegar solution before processing in a water bath canner.
 
It’s a rewarding way to preserve your garden’s bounty and fill your pantry with a condiment that adds zing to countless meals.
 
Whether you’re a seasoned canner or a beginner, making squash relish for canning is a project worth tackling.
 
Grab your squash, fire up the canner, and get ready to enjoy the taste of summer all year long.