If you decide to can your apple butter, start by sterilizing your jars in boiling hot water. Carefully lower the jars, their lids and rims into boiling hot water for ten minutes and then allow the jars to cool and then dry them out.
Ladle the warm apple butter into your canning jars, leaving a little bit (about ¼ inch) of room at the top of the jar. Wipe the jars off and then seal with the lid and rim.
Finally, submerge the filled jars in boiling water and process for 10 minutes.
Remove the jars from the boiling water using tongs and allow to cool completely. The lids should be sealed tight and should not make a popping sound when you push down on them.