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Easy Homemade Blackberry Balsamic Jam Recipe

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This quick and easy blackberry balsamic jam comes together in under an hour with simple ingredients. The balsamic vinegar deepens the berry sweetness and adds a subtle tang, making it perfect for toast, cheese boards, or gifting.

Ingredients

Scale
  • 4 cups fresh blackberries (about 600 grams)
  • 2 cups granulated sugar (400 grams)
  • 3 tablespoons balsamic vinegar
  • 2 tablespoons fresh lemon juice (about half a lemon)
  • Pinch of salt

Instructions

  1. Rinse the blackberries gently under cold water and pick out any stems or leaves. Pat dry with a clean kitchen towel.
  2. Put the blackberries in a large heavy-bottomed pot and mash them with a potato masher or the back of a wooden spoon, leaving some berries partially whole for texture.
  3. Stir in the sugar, lemon juice, and pinch of salt. Let sit for about 5 minutes to macerate.
  4. Place the pot over medium-high heat and bring to a rolling boil, stirring frequently, about 5-7 minutes.
  5. Once boiling vigorously, stir in the balsamic vinegar. Reduce heat to medium and continue boiling, stirring often.
  6. Cook for about 15-20 minutes until the jam darkens, thickens, and looks glossy.
  7. Test for doneness by placing a small spoonful of jam on a cold plate. Let it sit for 30 seconds, then push it with your finger. If it wrinkles and doesn’t run back together, it’s done. If still runny, cook 2-3 more minutes and test again.
  8. Remove from heat and let sit for 5 minutes.
  9. Ladle the hot jam into sterilized jars, leaving about ¼ inch of headspace. Wipe rims clean and screw on lids tightly.
  10. Let jars cool completely at room temperature. You’ll hear popping sounds as they seal. Once cool, press the center of each lid to ensure it’s sealed.

Notes

Don’t walk away from the pot—sugar content means it can burn quickly. Use a thermometer if nervous; jam is ready at 220°F (105°C) at sea level. Skim foam for clearer jam if desired. Do not double the recipe; make separate batches instead. Hot jam looks thinner than it actually is; it will thicken as it cools. Label jars with the date.

Nutrition

Keywords: blackberry jam, balsamic jam, homemade jam, easy jam recipe, blackberry balsamic, no pectin jam, small batch jam

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