Gather the necessary equipment: pressure canner, canning jars, lids and bands, jar lifter, canning ladle, funnel, bubble popper, slotted spoon, clean kitchen towels.
Wash all the canning supplies in hot, soapy water.
Assemble the pressure canner and add water according to the manufacturer's instructions.
Preheat the canner and fill clean jars halfway with boiling water
Use a jar lifter to take a jar from the canner and set it on a towel.
Fill the jar with solid components and pour liquid, leaving 1 inch of headspace.
Process chicken soup jars in the pressure canner for 75 minutes (pints) or 90 minutes (quarts), optimizing for altitude
Use a bubble popper to remove air bubbles and clean the jar's rim.
Lock the canner's lid into place and increase the heat to medium-high until it boils.
Allow the canner to cool naturally.
Carefully remove the jars and let them cool completely.
Wash the jars with warm, soapy water.
Label each jar with contents and canning date.
Store the canned chicken soup properly for 12 to 18 months.