Spanish onion

Those onions are similar to red onions, due to the high sugar content they have a short shelf life ,lasting up to 2 days or if refrigerated they can last up to month.
The white onion is used in Mexican foods or complementing the flavours of other ingredients .The onion can be sautted to a dark brown colour and served to provide a sweet and sour flavour to other foods. Small white onions used in soups, casseroles or stews. They are known as ‘boiler onoins’. They can also be added to salads.
There are also known sweet varieties including (walla walla) ‘vidalia ‘and ‘mauri’. White storage onion types include ‘white wing’ and Sierra Blancal’.