Home » Canning » Blueberry Jam

Blueberry Jam

Ingredients

  • 4 cups blueberries
  • 3 1/2 cups sugar

Directions

  1. Preheat oven to 250 degrees
  2. Crush 1 cup berries in a medium heavy-bottom nonreactive saucepan
  3. Add remaining 3 cups berries and 1/2 cup water
  4. Bring to a simmer over medium heat
  5. Cook, stirring occasionally with a wooden spoon to break up berries, until berries are soft, about 6 minutes
  6. Spread sugar out on a rimmed baking sheet
  7. Heat in oven until warm, about 5 minutes
  8. Slowly stir sugar into saucepan
  9. Return mixture to a simmer, stirring constantly
  10. Reduce heat to medium-low
  11. Cook at a slow boil until thickened, 45 minutes to 1 hour
  12. Refrigerate jam in airtight containers up to 2 weeks, or store in sealed, sterilized jars up to 6 months.

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