How to Make Blueberry Jelly?

4 cups fresh or frozen blueberries

1 cup water

3 to 4 cups sugar

1 box powdered pectin

Wash the blueberries

Combine blueberries and water in a pot

Bring to a boil

Simmer until the berries are soft

Mash the berries

Strain the mixture through a jelly bag or fine sieve

Measure the blueberry juice

Return the juice to the pot

Add the pectin

Bring to a full rolling boil

Add the sugar all at once

Stir until dissolved

Boil hard for 1 minute

Remove from heat

Skim off foam

Pour into sterilized jars

Leave proper headspace

Seal the jars

Process in a boiling water bath if storing long term

Let cool completely

Check that the jars are sealed

Store in a cool, dark place