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Easy Seedless Blackberry Jam Recipe and Summer Gardening

An easy homemade blackberry jam made with homegrown blackberries and sugar. A simple recipe that will make you wonder that why haven’t you tried it sooner.

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Summer Gardening

Talk about the bounties of summer! Talk about this easy seedless blackberry jam recipe being a child of one such bountiful harvest. Think about hot, muggy days, when you do not want to step outside the home. But you do, because the garden needs tending to and the bounties await. I love to grow a garden which, for us Kansans, is a short-lived pleasure. It does bring me great joy though. A dear friend once said that working in the garden is like therapy, and I cannot agree more. I would rather spend my time and money in my garden.

Easy Seedless Blackberry Jam made without pectin. A smooth jam that you can spread on toast, eat with crackers or even drizzle as a sauce on pancakes, waffles or ice cream.
Jump to Recipe

For the past few years we have been growing tons of tomatoes in our garden and making recipes like this sweet and savory tomato jam, this chutney (made with tomatoes, ginger and dates)and various salads (recipes here and here). There are cucumbers, green chilies, eggplants, squash, zucchini, okra and tons of herbs and recipes to go with almost each one of them. One of aspirations for our garden is to eventually develop it into an edible landscape. Which, given our coordinates, can be a little challenging. But what is life without some challenges in it. So, we shall see.


I have learnt, from neighbors and friends, who are gardening enthusiasts, that certain kinds of berries grow very well here. I tried planting blueberries thrice with no luck. Soon, I learnt that blackberries are the way to go and if the plants are happy in your garden they produce like crazy. There are few friends at work that I often talk to and seek advice from regrading gardening. They have lived here for much longer and know things from experience that no planting guide or handbook can teach. One of them brought us blackberries from his garden along with potatoes, zucchinis and squash. I have been thinking of making jam filled granola bars for a long time and those gorgeous blackberries made be think that may be this was a sign.

Easy Seedless Blackberry Jam made without pectin. A smooth jam that you can spread on toast, eat with crackers or even drizzle as a sauce on pancakes, waffles or ice cream.

So as a first step to make those jam bars, I set up to make the jam first. One thing that no one in our family is particularly fond of is the blackberry seeds. You see blackberry seeds can be rather big sometimes and difficult to chew. So I thought of making this seedless blackberry jam. Just one additional step to a perfect smooth jam.

The recipe of this easy seedless blackberry jam is simple, ingredients minimal and results awesome. You can use it as a jam or even as a sauce depending on the consistency that you boil the jam to. Since there is no pectin used in this recipe, the jam is rather of thicker, flowy consistency. So if you are a purist, call it a sauce and drizzle it over ice cream. I am calling it jam and drizzling over ice cream, spreading on toast, eating with cheese and crackers and making jam granola bars with it. I win!….lol. Just kidding, I love the purists…😊

Recipe Run Down

To make this easy seedless blackberry jam, you first blend the blackberries and then strain them. Take the seedless blackberry puree and add it to a heavy bottomed sauce pan along with the sugar. Add any spices or flavorings if you wish to. I used a little bit of cinnamon and all spice. But this is entirely your choice. Once it starts boiling, lower the heat and cook for 20-25 minutes. You can add a corn starch slurry to thicken the jam if you like.

Easy Seedless Blackberry Jam made without pectin. A smooth jam that you can spread on toast, eat with crackers or even drizzle as a sauce on pancakes, waffles or ice cream.

Here is your handy dandy printable:

5 from 11 votes

Easy Seedless Blackberry Jam

An easy homemade seedless blackberry jam made with homegrown blackberries and sugar. A simple recipe that makes perfect jam in less than 30 minutes.

Course Side Dish
Cuisine American
Keyword blackberry jam, Easy seedless blackberry jam,, Homemade jam, seedless blackberry jam recipe
Prep Time 5 minutes
Cook Time 25 minutes
Servings 3 Cups
Author Vaishali


  • 6 cups blackberries
  • 2 cups sugar
  • 1 teaspoon lime juice optional
  • 1/2 teaspoon cinnamon powder optional
  • 1/4 teaspoon all spice powder optional


  1. Blend/puree the blackberries in a blender and strain them using a steel sieve. You should have about 4 cups of strained seedless blackberry puree.

  2. Set a heavy bottomed sauce pan on medium high heat with 4 cups of seedless fruit puree and 2 cups of sugar in it.

  3. Stir until sugar is dissolved. Continue cooking over medium heat until mixture comes to a boil. Lower the heat and stir every few minutes to prevent scorching.

  4. Cook for 20 minutes, add the spices and lime juice and check the consistency. If you have a thermometer, the jam temperature should be close to 220 degrees F. Stir well and then turn off the heat.

  5. Let cool and store in clean, air-tight glass jars in the refrigerator.

Recipe Notes

The jam will thicken slightly as it cools.

If you want to thicken the jam further, add a slurry made with 2 tbsp corn starch and 2 tbsp liquid from the sauce pan. Add the slurry at 20 minute mark, stir in and continue cooking for 3-5 minutes or until the jam has thickened

The spices are optional. You can also increase the amount of cinnamon and all spice to your liking.

The jam keeps well in the refrigerator. I have had some for over two months now.

Easy Seedless Blackberry Jam made without pectin. A smooth jam that you can spread on toast, eat with crackers or even drizzle as a sauce on pancakes, waffles or ice cream.
Easy Seedless Blackberry Jam made with no pectin

Next up are the jam bars! Until then, try this recipe and enjoy it on toast, ice cream, with crackers and cream cheese or straight up! And always, if you make this recipe, please let me know, share a picture or tag us on social media – Facebook, Instagram, Twitter, Pinterest etc. etc.

Love – Vaishali.

Tools Used:


  1. Renee

    September 13, 2019 at 12:21 pm

    We have a lot of berries from her garden and I never thought to make jam. I can’t wait to try

  2. Jazzy's Mama

    September 13, 2019 at 9:24 pm

    I would love to have a garden.. This jam looks absolutely delicious, and now I am hungry for a piece of toast with jam!

  3. Stace Edoha

    September 13, 2019 at 10:51 pm

    I just moved and have tons of wild blackberries growing all over the property. So happy to find this recipe!

  4. Frankie

    September 14, 2019 at 3:50 am

    5 stars
    OMG I love this! My grandma used to make the best homemade jams and this totally reminds me of hers. Neeeeed to make this.

  5. Chloé Arnold

    September 14, 2019 at 12:14 pm

    ahh we have a blackberry bush on our property but I’ve never done anything with them. Definitely using this recipe next year!

  6. Jasmine M

    September 14, 2019 at 8:19 pm

    I love the idea of using fresh home-grown fruits and veggies in recipes! Thanks for sharing!

  7. Elizabeth O

    September 14, 2019 at 8:31 pm

    I really would love to try this one. My sons will love this.

  8. Kimmy Mason

    September 14, 2019 at 10:20 pm

    Looks so good! I’ve started growing raspberries the last few years, and I just may have to try this.

    1. Vaishali

      September 16, 2019 at 11:31 am

      Thanks, Kimmy. Should work for raspberries as well..:)

  9. Serena Rogers

    September 15, 2019 at 10:35 am

    Homemad is always best! This jam looks yummy! Thanks for sharing!

  10. Cyndi Buchanan

    September 15, 2019 at 12:27 pm

    This sounds so delicious! I love picking blackberries. I’ll have to save this for when blackberries are in season again.

  11. Josi

    September 16, 2019 at 10:05 am

    5 stars
    I need to do the straining step when making this!! What a great idea and a great use for when we have a surplus of berries!!

    1. Vaishali

      September 16, 2019 at 10:27 am

      Thanks Josi! Yes the straining does make the jam much smoother.

  12. Heather

    September 16, 2019 at 10:57 am

    My kids LOVE jam… my grandma never strained her jam, just left the seeds there and I hated to eat it and get all the seeds stuck in my teeth. I’ll have to give your recipe a try 🙂

    1. Vaishali

      September 16, 2019 at 11:03 am

      Thanks Heather! That’s my husband’s complaint with the seeds as well..:)!!

  13. Nicole Johnston

    September 16, 2019 at 12:34 pm

    5 stars
    I recently started to love blackberries more. I never ate them too much because of the seeds but now I don’t mind them. I love jam as well and definitely want to try this out!

  14. Rupal Srivastava

    September 16, 2019 at 1:00 pm

    Love this recipe. Will try this at home.

  15. Sarah M

    September 17, 2019 at 10:12 am

    5 stars
    I have never thought to make jam at home. It’s good to know that making jam at home is easy.

  16. Devyani

    September 17, 2019 at 11:10 pm

    Yum yum ! Looks delish !

  17. Jill Epstein

    October 1, 2020 at 11:28 am

    Can you freeze this recipe?

    1. Vaishali

      October 1, 2020 at 12:09 pm

      Hi Jill, Thank you for your message. I have not tried freezing the jam. That being said, I have some in my refrigerator from last year that is doing just fine. Hope you enjoy the recipe! – Vaishali.

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  20. Kevin Foodie

    April 25, 2022 at 8:08 am

    5 stars
    Love a good homemade jam. This blackberry preserve looks delicious. Can’t remember having this type jam but would love to try it. Great tip on making a slurry using cornstarch.

    1. Vaishali

      April 27, 2022 at 9:07 am

      Thanks, Kevin. Homemade goodies are the best!

  21. Patrick

    April 25, 2022 at 8:27 am

    5 stars
    We love making jams and jellies. We also love blackberries! …and blackberry jam? Well, that’s hands down a household favorite! We’ll have to try your recipe! Thank you for sharing!!

    1. Vaishali

      April 27, 2022 at 9:10 am

      Thanks Patrick. They grow like crazy…I had no idea when I first planted them…lol

      1. Phaneth

        July 22, 2022 at 7:47 am

        5 stars
        I tried this recipe last night and it came out great. Here was my mods: Instead of lime juice I used about 1 tsp lemon juice since I had that. I added a dash of cinnamon. I did do the 2 TB of corn starch slurry at the 20 min mark, but I ended up cooking it a bit longer to get to the temperature point, I got to about 216 degrees and turned off the heat to cool. The texture was perfect, the jelly/jam was sweet with a tartness (not sure if that was from our berries or the lemon juice). Great recipe!

  22. Jodi

    April 25, 2022 at 9:56 am

    I’m loving this!! I can’t stand the seeds in blackberries (they feel so big LOL) so this jam is a perfect way for me to still enjoy their flavour without all the crunchy huge seeds 😛

    1. Vaishali

      April 27, 2022 at 9:13 am

      Yes!!! me too…those darn seeds! I hope you give this a try!

  23. Jodi

    April 25, 2022 at 9:58 am

    I’m loving this!! I can’t stand the seeds in blackberries (they’re soooo huge lol) so this jam is a perfect way for me to still enjoy their flavour!

  24. Amanda

    April 25, 2022 at 12:31 pm

    5 stars
    I have very fond memories of blackberries. I used to pick them wild on the vines at my grandparents farm. Thanks for sharing, I will have to make this 🙂

    1. Vaishali

      April 27, 2022 at 9:13 am

      Thanks, Amanda. Yeah…they have grown into decent size bushes in our yard. I hope you give this jam a shot and enjoy it!!

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