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Small Batch Perfect Black Raspberry Jam Recipe

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A simple and quick recipe to make small batches of delicious black raspberry jam with a perfect balance of tart and sweet flavors.

Ingredients

Scale
  • 3 cups black raspberries (about 450 grams), fresh or frozen (if frozen, thaw completely and drain excess liquid)
  • 2 cups granulated sugar (400 grams), adjust slightly to taste
  • 2 tablespoons lemon juice (30 ml), freshly squeezed
  • 1 packet powdered fruit pectin (about 1.75 oz or 49 grams), recommended Sure-Jell

Instructions

  1. Sterilize your half-pint jars and lids by boiling them in water for 10 minutes or running them through a hot dishwasher cycle. Keep them warm until ready to fill.
  2. In a small bowl, whisk the powdered pectin into 1/2 cup (100 grams) of sugar to prevent clumping.
  3. Place the black raspberries in a large heavy-bottomed saucepan over medium heat. Gently mash them with a potato masher or wooden spoon to release juices. Heat until the mixture comes to a low boil, about 5-7 minutes.
  4. Stir in the lemon juice and the remaining sugar (1 1/2 cups or 300 grams). Return to a full rolling boil that cannot be stirred down.
  5. Quickly stir in the pectin-sugar mixture and continue boiling hard for 1 minute until the jam thickens and bubbles consistently.
  6. Test the set by placing a small spoonful on a chilled plate and letting it cool for a minute. Push the jam with your finger; if it wrinkles without running, it’s set. If not, boil for another 30 seconds and test again.
  7. Ladle the hot jam into warm sterilized jars, leaving about 1/4 inch (6 mm) headspace. Wipe rims clean with a damp cloth.
  8. Screw on lids tightly and let the jars cool completely at room temperature until sealed.

Notes

Stir gently but continuously during cooking to avoid burning. Use ripe but firm berries for best texture. Keep a rolling boil after adding pectin to ensure proper gel. Wipe jar rims clean before sealing to prevent spoilage. If jam is too runny after cooling, reheat and cook longer next time.

Nutrition

Keywords: black raspberry jam, small batch jam, homemade jam, easy jam recipe, fruit preserves, berry jam, jam tutorial

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