– 3 thin slices red onion
Red onions are rich in vitamin C and antioxidants, particularly anthocyanins and quercetin, which may provide anti-inflammatory benefits. They are low in calories and provide dietary fiber, especially when consumed with the papery skin removed.
About
Red onion (Allium cepa var. atropurpureum) is a cultivar of the common onion distinguished by its deep burgundy-purple exterior papery skin and reddish-purple layered flesh. Native to Central Asia, this variety is now cultivated worldwide and represents one of the primary colored onion varieties alongside yellow and white types. Red onions possess a sweeter, milder flavor profile compared to yellow onions, with slightly spicy undertones and a crisp texture when raw. The distinctive pigmentation derives from anthocyanin compounds, water-soluble antioxidants that intensify in color concentration toward the outer layers.
Culinary Uses
Red onions are prized for both raw and cooked applications, though their vibrant color and mild sweetness make them particularly valuable in raw preparations where visual appeal matters. They are commonly used thinly sliced in salads, on sandwiches, in ceviche, and as garnish for grain bowls and tacos. When cooked, they develop a deeper sweetness and are utilized in caramelization, braises, stews, and pickled preparations. Their mildness compared to yellow onions makes them suitable for dishes where onion flavor should complement rather than dominate, such as fresh salsas, composed salads, and Mediterranean preparations.