Sterilize jars and lids by boiling them in water.
Finely chop the bell peppers and set aside.
In a large pot, combine chopped peppers and apple cider vinegar.
Bring the mixture to a boil over medium heat.
Add fruit pectin, stirring until dissolved.
Gradually add sugar, stirring until dissolved.
Return to a rolling boil and cook for 1 minute.
Remove from heat and skim off any foam.
Pour hot jelly into prepared jars, leaving ¼ inch headspace.
Seal jars with lids and process in boiling water bath for 5-10 minutes.