Red Onion at Union Square Market, New York
Red onions, sometimes called purple onions, are cultivars of the onion with purplish red skin and white flesh tinged with red.
These onions tend to be medium to large in size and have a mild to sweet flavor. They are often consumed raw, added for color to salads, and grilled or lightly cooked with other foods. They may lose their redness when cooked.
Red onions are available throughout the year. The red color comes from anthocyanidins such as cyanidin.
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