Maui Onion is one of sweet onions. Sweet onions as the name indicates are very sweet fresh or cooked. Purple variety adds pretty color in cooking.
Pickled Pearl Onion in Martini in place of an olive is called Gibson, instead, as you know. It is sweet and pretty, like a pearl. Peeling its skins is the first task.
Raw Maui Onion? Yes, it is sweet. Maui Onion is one of sweet onions and some variety will get larger than a softball. You certainly can eat the green part, too.
Onions are one of the most frequently used and one of my most favorite vegetable in cooking. Chill the onions, cut the root part of the onion last or turn a fan on to avoid tears. See what you can do with these fresh onions.