Blackberry Jam

Blackberry Jam

30 Reviews 5 Pics
  • Prep

    10 m
  • Cook

    20 m
  • Ready In

    1 h 30 m
Recipe by  hulagirl

“In the summer, my family would go pick tons of blackberries and use them in our cooking.”

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Adjust Servings

Original recipe yields 2 cups



  1. Mash blackberries in a saucepan with a potato masher. Stir in sugar until juices form; place about 1 tablespoon blackberry juice in a small bowl and stir in cornstarch. Pour cornstarch mixture into saucepan.
  2. Bring berries to a boil, stirring often, until jam is thickened, about 15 minutes. Stir in cinnamon and allspice. Remove from heat and allow to cool. Transfer jam to a bowl, cover, and refrigerate until chilled. Stir in lemon juice.

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Reviews (30)

Rate This Recipe
Sarah Jo

Sarah Jo

I had to use Walmart brand FROZEN unsweetened blackberries only because I haven't been able to find fresh blackberry bushes here. I just let them partially thaw out before using them. Other than that, I kept to the recipe. This firmed up perfectly and had the right amount of sweetness with a hint of spice. This is one of the best blackberry jams I've had yet! Next time, I'll try this without the spices (even though I liked it, the family did not). Either way, I bet good money that it will turn out fantastic every time.



This is the BEST jam I've ever had. It has so much flavor and not too sweet. I didn't use the cinnamon and allspice, I just wanted the basics and it turned out great! I also used this jam in a cobbler recipe and it turned out great too. Enjoy!



This makes excellent jam! I've only ever made jelly/jam with pectin, so I admit I was a little nervous at first not putting it in. However, the cornstarch thickened it up nicely and the pectin wasn't necessary at all! The only thing I changed was I left out the allspice because I didn't have any.

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Amount Per Serving (16 total)

  • Calories
  • 68 cal
  • 3%
  • Fat
  • 0.2 g
  • < 1%
  • Carbs
  • 16.9 g
  • 5%
  • Protein
  • 0.5 g
  • 1%
  • Cholesterol
  • 0 mg
  • 0%
  • Sodium
  • < 1 mg
  • < 1%

Based on a 2,000 calorie diet



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Sweet Blackberry and Brandy Sauce


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Sweet Blackberry Sauce