If you are using fresh green beans for green bean casserole, wash, cut and blanch them a day ahead, (bring enough water to a boil to generously cover the beans then place the beans into the boiling water, cooking for 5 to 7 minutes in boiling water, then plunge them into ice water to cool for at 10 minutes). Drain and store in reusable containers until your’re ready to assemble the casserole.

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