Grow your own Scallions.

How to Regrow Green Onions

• Slice off the ends of the bulbs, leaving roots attached.

• Stand the bulbs root-end down in a small jar with water until the roots grow.

• Set on a windowsill and keep the roots moist. After a few days, green shoots will emerge from the tops of the bulbs. ...

• Keep the roots submerged and change water at least once a week or you can plant in soil and continue to watch them grow over and over again.