Summarize this article:

To prevent your cutting board from sliding around while you're working, place it on a kitchen towel. Then place the scallions in a single layer on the board. Avoid stacking the scallions because you'll crush them instead of cut them. Scatter the scallions over your favorite meals to add a little color and crunch to the dish. In addition to garnishes, add the scallions to salsas, egg dishes, and salads. Use the thinnest sliced scallions for garnishes and save thicker ones for recipes where you'll be cooking them such as in baked goods or eggs. in the refrigerator. You can store chopped scallions for up to 1 day in an airtight container in the refrigerator. Keep in mind that the scallions will become limp the longer they're stored. To revive the scallions, soak them in ice water for about 30 minutes before using them.
Lay the scallions in a single layer on a sturdy cutting board. Use the scallions immediately for the freshest taste. Store leftover scallions