Also known Green onion, Spring onion, Salad onion, Table onion. They are milder than most onions. They may be cooked or used raw as a part of salads, salsas, or Asianrecipes. Diced scallions are used in soup, noodle and seafood dishes, as well as sandwiches, curries or as part of a stir fry. In many Eastern sauces, the bottom half-centimetre (quarter-inch) of scallion roots is commonly removed before use.