The onion is an edible bulb. While it is a vegetable at heart, it also acts as a spice.
It is used in dry soups, mixes, specialty ethnic food preparations, canned/dried/frozenvegetable mixes, dry casserole mixes, stuffing mixes, food service & fast food and particularlywhen large onion pieces are desired.They are also used raw in cold salads. Onions pickled in vinegar are eaten as a snack.