Red onion garnish for the traditional bean-and-smoked ham soups. The red onion from Tropea, Italy, (Italian: "Cipolla Rossa di Tropea") is a particular variety of red onion which grows in a small area of Calabria in southern Italy named Capo Vaticano near the city of Tropea. This onion has a stronger and sweeter aroma and the inner part is juicier and whiter than other red onions and it is possible to make a jam with it. In March 2008, the European Union registered the Protected Designation of Origin mark for the red onions produced in this particular area. In the United States,
Red onion Red onion Red onions are cultivars of the onion ("Allium cepa") 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, grilled or lightly cooked with other foods, or added as a decoration to salads. They tend to lose their colour when cooked. Red onions are available throughout the year. Red onions are high in flavonoids, and fibre (compared to white and yellow onions). They can be stored 3 to 4 months at room temperature. Known varieties include 'Red