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Instant Pot Blueberry Jam Recipe

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3.9 from 12 reviews

This Instant Pot blueberry jam is a quick and easy homemade preserve made with fresh or frozen blueberries, sugar, lemon juice, and a touch of vanilla. Utilizing the Instant Pot for pressure cooking ensures the jam is ready in just minutes, making it a perfect sweet addition to your breakfast or snacks.

Ingredients

Jam Ingredients

  • 1 lb blueberries (fresh or frozen, see note)
  • ¼ cup water
  • 2 teaspoons lemon juice
  • ¾ cup granulated sugar

Thickening Mixture

  • 2 tablespoons cornstarch
  • 2 tablespoons water

Optional Flavoring

  • 1 teaspoon vanilla extract (optional)

Instructions

  1. Prepare Instant Pot: Ensure the insert is properly placed inside your Instant Pot before starting.
  2. Add Ingredients: Place the blueberries, water, lemon juice, and sugar into the Instant Pot. Important: do not stir the mixture.
  3. Seal the Pot: Close the lid securely and set the pressure valve to the sealing position to prepare for pressure cooking.
  4. Pressure Cook: Use the manual setting and set the timer to 3 minutes to cook the berries under pressure.
  5. Natural Pressure Release: Once cooking finishes, allow the Instant Pot to release pressure naturally without manually turning the valve.
  6. Make Cornstarch Slurry: In a small bowl, mix the cornstarch and water thoroughly to create a slurry that will thicken the jam.
  7. Thicken Jam: Add the cornstarch slurry to the cooked fruit and stir well until the jam thickens. At this point, stir in the vanilla extract if using.
  8. Cool and Jar: Let the jam cool until it is safe to handle, then transfer it into a clean jar.
  9. Refrigerate: Allow the jam to cool completely before storing it in the refrigerator to maintain freshness.

Notes

  • You can use fresh or frozen blueberries depending on availability; frozen berries work well in this recipe.
  • Do not stir the ingredients before cooking to prevent burning or sticking during pressure cooking.
  • Natural pressure release is essential to avoid splattering.
  • The jam is best stored in the refrigerator and should be consumed within 2 weeks.
  • Adding vanilla extract is optional but enhances the flavor.