Zucchini Salsa Home Canned

I don’t usually tell people that this salsa is zucchini salsa right away.

zucchini and tomato salsa

I let them taste it and when they start raving about how awesome it is, I let them in on the secret. And then they gobble down some more even though the thought of zucchini in their salsa might be a bit strange.

I found this recipe for zucchini salsa before Pinterest was around and not long after I first started using the internet to search for recipes. Man how things have changed.

The original author – well I’m pretty sure that she made this recipe up late one summer when she had a garden bounty like the one I did the year that I went out searching for what else I could do with the massive amounts of zucchini I had growing in my garden. And I am forever grateful that she did.

Fresh ingredients for zucchini salsa

I wish I could give credit, but my copy has been used for so long and is no longer bearing the name of the user of that long forgotten recipe site I found it on.

This zucchini salsa has been one of the few constants in my late summer kitchen as I usually make a big double or triple batch for the year. We eat it up, give it as gifts, and always look forward to the next season full of ripe tomatoes and overflowing zucchini to make it again.

Ingredients

zucchini being washed

10 cups of shredded zucchini (you can peel or leave unpeeled)
4 white or yellow onions chopped
2 green peppers chopped
2 red peppers chopped*
1/3 pickling salt
2 tablespoons dry mustard
1 tablespoon garlic powder
1 tablespoon cumin
2 cups white vinegar
1 cup brown sugar
1 teaspoon nutmeg
1/2 – 1 tablespoon red pepper flakes or one fresh jalapeño
1 teaspoon pepper
1 tablespoon kosher or sea salt
5 cups chopped tomatoes (garden fresh make this best)
2 tablespoons cornstarch
12 ounces tomato paste
*You can use any combo of green, red, orange, or yellow peppers

organic bell peppers chopped and ready for salsa

Directions for zucchini salsa

This is a two day process so be sure to look ahead at the directions carefully since you don’t need all the ingredients the first day. Day 1 involves most of the chopping time.


Day 1
In a large stock pot combine the zucchini, onions, green and red peppers, and the salt. Mix them together well. Cover with a lid and let it sit out on your counter overnight. I usually stir several times before going to bed.

fresh zucchini salsa being made


Day 2
Rinse the mixture and let it drain well.

Place it back in the large stockpot. Add the mustard, garlic, cumin, vinegar, brown sugar, pepper flakes or jalapeño, salt, cornstarch, nutmeg, pepper, fresh tomatoes, and tomato paste.

Bring to a boil and then lower the temperature to simmer for about 15 minutes.

Depending on what type of tomatoes you used and how juicy they are, you might want to cook it down a little more or add some water if you think it looks too dry. Just depends on how you like your salsa.

zucchini salsa cooking down

This is where we usually dip some chips into the warm salsa and try not to stuff our faces with it all at that moment.

This is also were we should be getting our sterilized canning jars ready to pour the warm salsa into so we can water bath can them!

If you have never canned before or are new to what you need to water bath can, head on over to this blog post from The Prairie Homestead. She has a great tutorial and talks about all the items needed.

If you’ve done it before, go ahead and water bath can the salsa for 15 minutes.

How hot is this zucchini salsa?

Well this is kind of a funny question because out of the dozen or more batches I have made, I’m pretty sure that each one has had a very different heat each time.

Though if you make it to the recipe, it should be a mild heat.

There are a few different things that you can do to to make it to your liking.

fresh garden ingredients used to make zucchini salsa

If you don’t like very spicy salsa, start with half of the amount of red pepper flakes. You can always add more, but can’t take them out. Or instead you can use one jalapeño (take out the white ribs and it won’t have much heat at all. Just be sure to not get them on your hands and then rub your eyes!)

I have also used canned jalapeños when I couldn’t get my hands on fresh. One can was pretty mild.

One year I made this so hot. I’m not sure how as I did what I always do, but my eyes, along with my mouth, were on fire. Even my husband, who has a much higher spicy tolerance, thought it was spicy. I’m pretty sure I added the full amount of red pepper flakes plus a few jalapeños.

I knew we would never get to enjoy it if I didn’t do something. So I added a bunch more brown sugar. It toned it down, but I ended up adding more tomatoes too.

Don’t be afraid to play with the recipe. If it’s not hot enough, add more spice.

Home Canned Zucchini Salsa

When your summer garden is overflowing with zucchini and tomatoes, its the perfect time to make up a big batch of this crowd pleasing zucchini salsa.
5 from 7 votes
Prep Time 2 days

Ingredients
  

  • 10 cups of shredded zucchini you can peel or leave unpeeled
  • 4 white or yellow onions chopped
  • 2 green peppers chopped
  • 2 red peppers chopped*
  • 1/3 cup pickling salt
  • 2 tablespoons dry mustard
  • 1 tablespoon garlic powder
  • 1 tablespoon cumin
  • 2 cups white vinegar
  • 1 cup brown sugar
  • 1/2 – 1 tablespoon red pepper flakes or one fresh jalapeño
  • 1 teaspoon nutmeg
  • 1 teaspoon pepper
  • 1 tablespoon kosher or sea salt
  • 5 cups chopped tomatoes garden fresh make this best
  • 2 tablespoons cornstarch
  • 12 ounces tomato paste

Instructions
 

  • This is a two day process so be sure to look ahead at the directions carefully since you don't need all the ingredients the first day. Day 1 involves most of the chopping time.

Day 1

  • In a large stock pot combine the zucchini, onions, green and red peppers, and the salt. Mix them together well. Cover with a lid and let it sit out on your counter overnight. I usually stir several times before going to bed.

Day 2

  • Rinse the mixture and let it drain well. Place it back in the large stockpot.
    Add the mustard, garlic, cumin, vinegar, brown sugar, pepper flakes or jalapeño, salt, cornstarch, nutmeg, pepper, fresh tomatoes, and tomato paste.
    Bring to a boil and then lower the temperature to simmer for about 15 minutes.
    Depending on what type of tomatoes you used and how juicy they are, you might want to cook it down a little more or add some water if you think it looks too dry. Just depends on how you like your salsa.
    This is where we usually dip some chips into the warm salsa and try not to stuff our faces with it all at that moment.
    This is also were we should be getting our sterilized canning jars ready to pour the warm salsa into so we can water bath can them!
    Now, go ahead and water bath can the salsa for 15 minutes.

Notes

*You can use any combo of green, red, orange, or yellow peppers
You can use one of those giant zucchinis that sometimes gets forgotten or missed in the garden until they are the size of a small child. Just make sure to peel those and scrape out the seeds.

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35 Comments

    1. I am going to start this recipe today, can’t wait. I am wondering how many cups this recipe makes? I am going to put into smaller jars. I would love to try canning these.

      1. I am so glad you are trying it out. Let me know what you do with the amount of heat and how it turns out. I wish I knew the number of cups, but since we always eat some right away, I really don’t know. I usually put it into pint size jars when I can, but you can go larger or smaller.

        1. OMG, this salsa is delicious! I used one jalapeño, since my husband does not like spicy. We couldn’t wait to try it and it was well worth the effort! I am waiting for my canning jars to come out of hot dishwasher before putting it into water bath. I figure if anyone wanted this spicier they could add drops of Tobassco sauce to the salsa as needed. This is a great way to use up the extra zucchini and tomatoes in garden. I would give this recipe 5 stars,

        2. This recipe was delicious! This is definitely 5 stars! I used one jalapeño with the seeds and white membrane taken out. My husband does not like spicy and this was perfect! This did make a lot. I used pint jars and some jelly jars also. Thanks for the recipe This is a great way to use up those extra zucchini and tomatoes from the garden.

    2. When do you add the pickling salt and when do you add the regular salt? Your directions don’t specify. Just says “salt” for both days. Thanks. Can’t wait to try this.

      1. The 1/3 cup pickling salt is for the first day to get the water out of the zucchini that gets rinsed off. The tablespoon of sea salt or kosher salt is for the 2nd day to add into the salsa.

  1. We have been using this recipe for several years with rave reviews EVERY time. In fact, I often freeze grated zucchini and chopped tomatoes to make this salsa when I’m NOT in the middle of canning everything else. We like ours a little spicier so usually add a few jalapenos. This year, I’m not growing zucchini so will reverse amounts of tomatoes and zucchini.

  2. 5 stars
    It took me awhile, but I finally made this recipe and it’s AMAZING! So good. I would make it again in a heartbeat (after I get through the dozen jars in my pantry)!

  3. 5 stars
    Made this yesterday and it was fabulous. Do you think I could use yellow squash also to make the 10 cups?

  4. Hello Lindsay! Thanks for the great recipe I can’t wait to try it. Someone gifted me a zucchini the size of a baby! Lol! My question is can you freeze this instead of canning it?
    Thanks a bunch😎😍
    Showmechic1

  5. How many pint or quart jars does this recipe make? Sounds delicious. Cant wait to make a batch.

    1. Gosh it seems silly that I really don’t have a clue because most years I double the recipe and we eat a bunch fresh! I never wrote down how many jars a regular batch makes. But I do know that when I use pint jars it is a full canner or more, so at least 6 or 7 pints. Sorry I’m not more helpful with that.

  6. 5 stars
    This is the best salsa that anyone who as ever had it has ever had. I share this link with everyone who asks for ‘my’ recipe. There was even a small bidding war on the last jar in existence at my last family reunion from people who had received some for Christmas from me!
    Thank you!

  7. 5 stars
    Thank you for this delicious recipe. So easy and delicious! I can’t wait for my grandchildren to taste this salsa!

  8. 5 stars
    Well, I made your recipe yesterday and today. I love it. I just tweaked the vinegar amount to 1 1/2 cups (instead of 2) and 3 tbsp cornstarch (instead of 2) because I like a thicker salsa. Yum, you have outdone yourself. This is a great, great, great recipe. Did I say great? Its work, but its worth it!

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