Wash the green beans
Trim the ends
Cut into desired lengths
Bring a pot of water to a boil
Prepare a bowl of ice water
Blanch the green beans in boiling water for 2 to 3 minutes
Transfer the beans immediately to the ice water
Cool completely
Drain well
Pat dry
Spread the beans in a single layer on a baking sheet
Freeze until firm
Transfer the frozen beans to freezer bags or airtight containers
Remove as much air as possible
Label with the date
Store in the freezer