Wash and trim green beans. Cut to preferred size.
Raw pack: Fill jars with raw beans and cover with boiling water.
Hot pack: Boil beans for 5 min, then pack with cooking liquid.
Leave 1” headspace. Remove bubbles. Wipe rims. Apply lids.
Process at 10 PSI (or adjust for altitude):
Pints: 20 minutes
Quarts: 25 minutes
Let pressure return to zero naturally. Remove jars. Cool for 12–24 hours.