4-1/2 cups crushed blueberries
7 cups granulated sugar
2 tablespoons lemon juice
2 pouches (3 ounces each) liquid pectin
In a large saucepan over medium heat, combine crushed berries, sugar, and lemon juice, stirring well until bubbling. Cook for 5 minutes, continuing to stir.
Add the liquid pectin and allow the mixture to resume boiling. Continue to cook for an additional minute.
Pour into clean, sterilized canning jars and seal. Process in boiling water for 12 minutes.