If your garden is practically throwing zucchini at you, here’s a zucchini pickles recipe that will put it to delicious use. These sweet, tangy pickles are surprisingly easy to make and just might become your new favorite sandwich sidekick. Trust me. Once you try them, you’ll be wondering why cucumbers get all the pickle glory.

Now, I know what you’re thinkin. Zucchini is not a cucumber. True. One is a squash that dreams of becoming bread The other is the poster child for pickles.

In most recipes, swapping one for the other is like using a tennis racket to flip pancakes. It’s just not the right tool for the job. But when it comes to pickling? Zucchini shines. Its tender texture soaks up brine like a sponge, giving you that same tangy, satisfying bite you love in a cucumber pickle, but with a slightly sweeter, more delicate flavor. Think of it as the pickle world’s underrated understudy, finally getting its moment in the spotlight.

Why You’ll Love This Zucchini Pickles Recipe

A tasty twist on tradition. All the tang and crunch you love in a pickle, but with a zucchini’s subtle sweetness.
Perfect for garden overload. When zucchini takes over your backyard, this recipe helps you reclaim your kitchen.
Year-round sandwich sidekick. Preserve summer’s bounty so you can enjoy that sunny flavor even in the dead of winter.

Ingredients You’ll Need for Sweet Zucchini Pickles

Before you start tossing things into a pot, let’s talk about why each ingredient matters and how you can make this recipe your own.

Zucchini: Fresh, firm, and medium-sized work best. Overly large zucchinis can be a little seedy and spongy (and no one wants that in a pickle).
Onions: Yellow onions are my go-to for their mild sweetness, but white onions give a sharper bite. Red onions? Sure. Just know they’ll add a pinkish hue to your brine.
Salt: Pickling or kosher salt is best. Table salt can cloud your brine and sometimes add a metallic taste.
White vinegar: Stick to 5% acidity for safe canning. You can use apple cider vinegar for a fruitier flavor, but it will slightly darken the pickles.
Sugar: White granulated sugar keeps the brine clear and lets the spices shine. If you swap in brown sugar, expect a deeper, caramel-like sweetness.
Celery seed: Adds that classic deli-pickle flavor. You can leave it out, but you’ll miss that little herbal pop.
Ground turmeric: This isn’t just for flavor. It’s what gives your pickles their sunny golden glow.
Mustard seeds: Bring a gentle tang and subtle crunch to the party. Yellow mustard seeds are mild; brown ones will give you more punch.
Fresh dill: Nothing says “pickle” like dill. Fresh is best, but in a pinch, you can use 1 teaspoon dried dill weed per tablespoon of fresh.
Red pepper flakes: Totally optional, but they add a nice back-of-the-throat heat. Adjust to taste or skip if you’re feeding spice-sensitive friends.

Step-by-Step Instructions for Making Zucchini Pickles

Here’s how to go from fresh slices to jars of tangy perfection:

Salt and soak. Start by placing your sliced zucchini and onions in a large non-reactive pot. Think stainless steel, glass, or enamel-coated. Aluminum is a no-go. Sprinkle in the salt and add enough water to cover. This two-hour soak draws out excess moisture, giving you firmer pickles with better crunch.
Drain. After the soak, drain the zucchini and onions thoroughly. Any leftover water will dilute your brine, so don’t skip this step.
Make the brine. In a 2-quart saucepan, combine the vinegar, sugar, celery seed, turmeric, and mustard seeds. Bring it to a boil while stirring to dissolve the sugar completely. This is where that signature pickle flavor is born.
Flavor infusion. Pour the hot brine over the drained zucchini and onions. Let the mixture stand for another two hours. This rest time allows the flavors to mingle.
Heat things up. Bring the whole mixture to a boil and cook for 5 minutes. This step locks in flavor and preps everything for safe canning.
Pack and process. Spoon the zucchini mixture into hot, sterilized wide-mouth glass pint jars, dividing the dill and red pepper flakes evenly among them. Pour brine over the top, leaving proper headspace. Wipe the rims, seal the jars, and process them in a water-bath canner according to USDA safety guidelines.
Cool and store. Once processed, let the jars cool completely. Store them in a cool, dark place, and resist the temptation to pop one open immediately. Pickles taste even better after a week or two of brine time.

How to Store and Enjoy Your Homemade Pickles

Once your jars have cooled completely, give each lid a quick press to make sure it’s sealed (no flex = good seal). Store your sealed jars in a cool, dark pantry where they’ll keep for up to a year, though I doubt they’ll last that long. Any jars that didn’t seal properly should go straight into the fridge and be enjoyed within a month.

Now, the fun part… eating them. These zucchini pickles are magic on a burger, snappy in a sandwich, or tossed into a salad for a tangy crunch. They’re also dangerously good eaten straight from the jar with a fork while you “check if they’re ready.” (Spoiler: they’re always ready.) And don’t toss that brine. Stir a splash into potato salad dressing or use it to pickle more veggies. Waste not, want not.

MORE: The Basics of Home Canning and How to Get Started—Quick & Easy!

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5 from 1 vote

Sweet & Tangy Zucchini Pickles

When your zucchini harvest is taking over the kitchen, here’s a delicious way to turn the surplus into something you’ll actually crave. These sweet, tangy zucchini pickles are packed with flavor from vinegar, spices, and a little heat. Perfect for topping burgers, jazzing up salads, or eating straight from the jar (I won’t tell).

Prep Time20

Cook Time10

Resting Time4

Total Time4 30

Course: Condiment, Side Dish

Cuisine: American

Servings: servings

Calories: 60kcal

Ingredients

2 pounds zucchini sliced
2 medium onions sliced
1/4 cup salt
Enough water to cover zucchini and onions
2 cups white vinegar
2 cups sugar
1 teaspoon celery seed
1 teaspoon ground turmeric
2 teaspoons mustard seeds
1 1/2 tablespoons fresh dill divided
1 1/2 teaspoons red pepper flakes divided

Instructions

Place sliced zucchini and onions in a large non-reactive pot. Add salt and enough water to cover. Let stand for 2 hours.
After 2 hours, drain the zucchini and onions thoroughly.
In a 2-quart saucepan, combine vinegar, sugar, celery seed, turmeric, and mustard seeds. Bring to a boil, stirring to dissolve the sugar.
Pour the hot brine over the drained zucchini and onions. Let stand for 2 more hours.
Bring the mixture to a boil and cook for 5 minutes.
Pack hot sterilized jars with zucchini mixture, adding dill and red pepper flakes evenly among jars. Pour brine over to cover. Wipe rims, seal jars, and process according to standard water-bath canning directions.
Remove jars, cool completely, and store in a cool, dark place.

Notes

A non-reactive pot is essential for pickling because acidic vinegar can react with aluminum or copper, affecting flavor and appearance. Stick with stainless steel, glass, or enamel-coated cookware.

For crisper pickles, keep slices on the thicker side and avoid overcooking.

Adjust red pepper flakes to your heat preference or skip them entirely for a milder pickle.

Makes 3 pints.

Nutrition

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Question: When you’re drowning in summer zucchini, what’s your go-to way to use it up—sweet pickles, savory dishes, or sneaking it into dessert?

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Claudia says:

August 3, 2026 at 10:04 pm

I’m wondering if you can cut down the sugar. I’m not a fan of sweet pickles. I can see using it as a preservative, but I don’t want them to be sweet. So how much sugar is the minimum?

Mary Hunt says:
August 5, 2026 at 11:27 am

Sugar only works as a preservative in high concentrations, about 66%. For this recipe it’s used just to balance out the flavors and give them more of a bread and butter taste. I think you could reduce the sugar down to 1/2 cup or lower if you wanted a more sour pickle.

Melissa says:

June 28, 2026 at 8:56 am

After having the hot brine sit on the zukes for 2 hours, do you drain it off to cook for 5 minutes or do you cook the zukes/onions in the brine for 5 minutes before canning? Doesn’t the cooking soften the zukes? Thanks!

Mary Hunt says:
June 28, 2026 at 11:22 pm

you cook them in the brine.

Annette Snow says:

February 27, 2026 at 5:02 pm

Can I use a zero calorie sweetener?

Mary Hunt says:
March 2, 2026 at 11:44 am

You might be able to but you’ll have to experiment. Natural sugar imparts preservative, crisping, and firming properties so typically a non calorie sweetener is best for refrigerator pickles. With canned pickles it can cause them to be a little limp. Make sure that you use the correct amount of sweetener as, by wieght, some no-calorie sweeteners are sweeter than sugar. Give it a shot and let us know how it worked out!

Eva Thurman says:

November 8, 2025 at 2:00 pm

Delish!!! and making more..

Connie says:

August 15, 2025 at 8:00 am

Instead of canning them, can I just put them in the fridge?

Mary Hunt says:
August 15, 2025 at 7:16 pm

I’ve not personally tried that, Connie, but I would not hesitate to give it a go. Actually that’s a great idea. Just know that you won’t have the long shelf life of processed (canned) pickles. Probably good for several weeks in the fridge, not months.

The Zucchini Pickles You’ll Wish You Made Sooner

Why You’ll Love This Zucchini Pickles Recipe

Ingredients You’ll Need for Sweet Zucchini Pickles

Step-by-Step Instructions for Making Zucchini Pickles

How to Store and Enjoy Your Homemade Pickles