You will buy brown onions for only cooking purpose. The papery skin layers of the brown onion are yellow-brown in colour, which needs to be peeled off. The white inside of these onions can be chopped or pureed for further cooking. It can be either steamed or dried. This onion variety is used in gravy, soup, curry, sauce, pizza, etc. This onion variety is grown between spring and fall, and stored for the rest time period. Brown onion can be availed from us throughout the year. If you want to maintain a stock of brown onions, keep them in cool, dark place.