Sweet bulb onions look a little bit like green onions and scallions except for one thing – instead of a straight line from green to white or only a very small bulb, bulb onions have an obvious ping pong ball sized bulb at the end.
Scallions, also called green onions, are harvested before the bulb starts to form. Bulb onions are picked after the bulbs are the size seen in the pic on the left.
When selecting bulb onions at the grocers look for onions that do not have soft squishy parts, split bulbs, or discoloration that can come either from age or poor handling during shipping. The greenery above should look freshly picked and be a beautiful deep green nearest the top, fading to light green as it reaches the bulb. Do not buy bulb onions if the greenery is browned or wilting. Read More