– 3 large red onions
Rich in vitamin C, dietary fiber, and antioxidants, particularly anthocyanins and quercetin, which possess anti-inflammatory properties. Relatively low in calories and fat, making them a nutritionally dense allium vegetable.
About
Red onions (Allium cepa var. aggregatum) are bulbous vegetables of the amaryllis family, characterized by deep purple-red papery outer skin and layers of red-tinted white flesh. Native to Central Asia and cultivated worldwide, red onions contain anthocyanins—water-soluble pigments responsible for their distinctive coloring and robust flavor profile. Unlike their milder yellow counterparts, red onions offer a sharper, slightly sweet taste with a peppery undertone that intensifies when raw and mellows with cooking. Major cultivars include 'Red Burgundy,' 'Ailsa Craig Red,' and 'Red Wing,' each varying slightly in size, intensity, and storage capability.
Culinary Uses
Red onions are versatile in both raw and cooked applications across global cuisines. Raw, they provide color, crunch, and peppery bite to salads, salsas, sandwiches, and relishes; their acidity and sharpness pair well with acidic elements like vinegar and citrus. Cooked, they become sweet and jammy, making them ideal for caramelization, roasting, grilling, and incorporation into French onion soup, curries, and braises. In Mediterranean, Latin American, and Asian cuisines, red onions are essential for building flavor foundations and adding visual interest to composed dishes.