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Pressure Canned Blueberries

Pressure canned blueberries are a delicious and convenient way to preserve fresh blueberries for later use. Canning blueberries in a pressure canner helps to kill bacteria and ensure that the fruit stays fresh for an extended period. The pressure canning process involves placing the blueberries in sterilized jars, adding a syrup or liquid, and processing the jars in a pressure canner for a set amount of time. Pressure canned blueberries can be used in a variety of recipes, including baked goods, jams, and sauces.

Why should you use pressure canner for Pressure Canned Blueberries?

Using a pressure canner for pressure canned blueberries is important because it allows for safe preservation of the fruit. Unlike a water bath canner, a pressure canner can reach temperatures high enough to kill harmful bacteria, including Clostridium botulinum, which can cause botulism. Blueberries are a low-acid fruit with a pH level of 3.1-3.6, making them a potential breeding ground for harmful bacteria.

Therefore, it’s crucial to use a pressure canner to ensure that the blueberries are properly processed and safe to eat. Pressure canning also helps to preserve the texture, flavor, and nutritional value of the blueberries.

How to make Pressure Canned Blueberries in pressure canner

Here’s a step-by-step guide on how to make pressure canned blueberries in a pressure canner:


  • Fresh blueberries
  • Water
  • Granulated sugar (optional)
  • Lemon juice (optional)



  1. Preheat your pressure canner according to the manufacturer’s instructions.
  2. Rinse the blueberries in cold water and remove any stems or leaves.
  3. Prepare a syrup by mixing water and granulated sugar in a pot, using a ratio of 2:1 (2 cups of water to 1 cup of sugar). Add lemon juice if desired.
  4. Bring the syrup to a boil and stir until the sugar dissolves.
  5. Pack the blueberries tightly into sterilized jars using a canning funnel.
  6. Pour the hot syrup over the blueberries, leaving 1/2 inch of headspace.
  7. Use a bubble remover tool to remove any air bubbles in the jar.
  8. Wipe the rim of the jar with a clean cloth or towel to remove any syrup or debris.
  9. Place the lids on the jars and tighten the bands fingertip-tight.
  10. Place the jars in the pressure canner and follow the manufacturer’s instructions for processing. For blueberries, process at 10 pounds of pressure for 8 minutes for pints and 10 minutes for quarts.
  11. After processing, turn off the heat and let the pressure canner cool down naturally. Don’t try to force-cool the canner.
  12. Use a jar lifter to remove the jars from the canner and place them on a clean towel to cool.
  13. Check the seals after the jars have cooled. If the lids have sealed properly, the center of the lid will be slightly concave and won’t move when pressed.
  14. Label the jars with the date and contents before storing them in a cool, dry, and dark place.

Note: Follow a tested and reliable recipe and consult the manufacturer’s instructions for your pressure canner to ensure safe and successful canning.

Tips for making Pressure Canned Blueberries in pressure canner.

Here are some tips to keep in mind when making pressure canned blueberries in a pressure canner:

  1. Use fresh, ripe blueberries for the best flavor and texture.
  2. Sterilize jars and lids before use to prevent contamination.
  3. Use a canning funnel to pack the blueberries tightly into the jars and leave 1/2 inch of headspace to allow for expansion during processing.
  4. Make sure to remove any air bubbles in the jar using a bubble remover tool.
  5. Wipe the rim of the jar clean before adding the lid and tightening the band to ensure a proper seal.
  6. Follow a tested and reliable recipe for pressure canning blueberries, as the processing time and pressure can vary depending on the altitude and size of the jar.
  7. Avoid overcooking the blueberries during processing, as this can result in a mushy texture.
  8. Let the pressure canner cool down naturally after processing and don’t try to force-cool it, as this can cause the jars to break.
  9. Check the seals of the jars after cooling to ensure that they have sealed properly.
  10. Label the jars with the date and contents before storing them in a cool, dry, and dark place for later use.

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