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Blueberry Jam Without Pectin

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A simple homemade blueberry jam recipe made with just four ingredients and no pectin. This easy-to-make jam is naturally sweetened with fresh blueberries, sugar, and a hint of citrus from lemon juice and zest.

Ingredients

4 cups fresh blueberries

1 ½ cups granulated sugar

1 Tablespoon lemon juice

½ teaspoon lemon zest

Instructions

  1. In a large saucepan, stir together the blueberries, sugar, lemon juice, and optional lemon zest. Lightly mash the blueberries for a smoother texture if desired.
  2. Stir continuously while bringing the mixture to a gentle boil over medium heat.
  3. Once boiling, reduce the heat to medium-low and simmer uncovered for 10-14 minutes, stirring occasionally. The mixture should thicken and reach 210-220°F or pass the plate test.
  4. Remove from heat and let the jam rest for 5 minutes as it will continue to thicken as it cools.
  5. Spoon the jam into clean jars, leaving the lids off, and let it cool completely before sealing.
  6. Store in the fridge for up to 2 weeks or freeze for longer storage.

Notes

  • Plate test: Place a plate in the freezer while cooking. Once the jam is ready, spoon a small amount onto the chilled plate and return it to the freezer for 1 minute. Run your finger through the jam to check if it wrinkles. If it doesn't, continue cooking and test again.
  • To make smoother jam, puree the blueberries instead of mashing them.
  • Try adding a pinch of cinnamon or nutmeg for extra flavor.
  • Mix different fruits, such as raspberries or strawberries, for a mixed berry jam.
  • Use honey or maple syrup instead of granulated sugar for different sweeteners.

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