You can eat them.

The green shoots that grow out of sprouted onions are also usually edible. Usually due to improper handling of onions or warmer weather and other reasons, will lead to onion germination, growing seedlings, and is not deterioration, can be eaten as a vegetable.

And onion seedlings also contain vitamins, fiber and a variety of minerals, the taste will be lighter than onions, not as spicy as onions in general, and can be supplemented with vitamins. But the nutritional value of sprouted onions will be reduced, because after the onion sprouting onion within the phosphorus block part will be for the growth of green shoots.

If you are concerned about the nutritional value of onions being affected by sprouting, you can store them in the refrigerator or avoid contact with the ground, which usually prevents them from sprouting.

Selection of green onions:

The green onions can be divided into three categories of white, yellow and purple skin as far as the color of their skin is concerned. White skin onions are tender, high in moisture and sweetness, and have a golden color and rich sweetness when cooked for a long time, making them more suitable for fresh eating, baking, or stewing.

Yellow-skinned scallions have yellowish flesh, tender and delicate, sweet and spicy flavor, suitable for eating raw or dipping sauce, resistant to storage, often used as dehydrated vegetables. Purple skin onion meat reddish, spicy flavor, suitable for frying, burning or raw food, poor storage resistance.