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4.9 from 39 votes

Blackberry Jam with Marionberry

There's nothing quite so satisfying as making your own blackberry jam, especially blackberry jam made with a special kind of blackberry called a Marionberry. This blackberry jam recipe has a lovely sweet flavor whilst also being a little tart. Perfect for those who like that sweet and sour flavor. It pairs beautifully with toast, scones, and tarts.

Prep Time
5 mins
Cook Time
5 mins
Servings: 12 Tablespoons
Calories: 14 kcal
Course: Breakfast , Brunch
Cuisine: American

Ingredients

  • 2 cups frozen Marionberries from Oregon
  • 1 loose cup Sugar
  • 1 cup water
  • 1 cinnamon stick broken into two
  • 6 cloves whole
  • Pinch of salt
  • 1/2 teaspoon gelatin in 1 tablespoon water

Notes

  • Blackberry Jam Tips
  • For the best tasting blackberry jam recipe, always start with quality berries like Oregon berries.
  • Try Marionberries from Oregon instead of blackberries for a unique tasting jam.
  • Have full control over the sweetness of the jam by adding more or less of the sugar.
  • As a general rule, it’s best to use a ratio of 1:2 sugar : fruit.
  • Similar ratio used with the water here is 1:2 water : fruit.
  • Flavoring the jam is key to a delicious tasting jam recipe! Vanilla beans, citrus zests, ginger, and whole spices are great options.
  • When using those flavoring items to the jam, make sure to use whole large items which you can boil with the fruit and remove later once the jam is ready.
  • Avoid using powders or fine zests as this will cause a bitter aftertaste to your jam eventually.
  • For smaller spices (like I have here), it’s best to wrap them in a thin cheese cloth while cooking with the berries so that you may easily remove them.
  • Thickening of the jam is completely up to your taste. Feel free to skip or experiment based on the recipe below.
  • Don’t be overwhelmed by making lots of jam and the canning process at first, rather start with this small batch blackberry jam recipe.
  • Freezing extra jam in ice cube trays is my my favorite trick to storing extra jam!ENJOY the process :)