Choose your fruit juice or fruit puree
Measure 4 cups of juice
Add 4 tablespoons of powdered pectin
Add 4 cups of sugar
Pour the juice into a large pot
Stir in the pectin
Bring the mixture to a full rolling boil
Add the sugar all at once
Stir constantly until the sugar dissolves
Boil hard for 1 to 2 minutes
Remove from heat
Skim off any foam
Pour the jelly into sterilized jars
Leave a small amount of headspace
Wipe the jar rims clean
Seal the jars with lids
Process the jars in a boiling water bath if needed
Let the jars cool completely
Check that the lids have sealed
Store in a cool, dark place
Refrigerate after opening