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size white onions cut in half and thinly sliced

ProducePeak season for white onions is late summer through fall (August-October in the Northern Hemisphere), though they are stored successfully and available year-round in most markets.

White onions are low in calories and rich in vitamin C, fiber, and antioxidants, particularly quercetin, which supports anti-inflammatory health benefits.

About

Onions (Allium cepa) are bulbous vegetables belonging to the amaryllidaceae family, native to Central Asia and cultivated worldwide for millennia. White onions are a variety characterized by pale, papery outer skin and white-to-pale-yellow flesh. They are milder and sweeter than yellow onions, with a crisp texture when raw and a tender, almost creamy quality when cooked. White onions are typically medium to large in size and possess a more delicate flavor profile compared to their stronger-tasting cousins, making them particularly valued in cuisines that emphasize subtle aromatics.

Culinary Uses

White onions are used across numerous culinary traditions as a foundational aromatic in savory dishes. When sliced and sautéed, they form the flavor base for mirepoix, soffritos, and countless braises, soups, and stews. In raw form, thinly sliced white onions are essential in Mexican cuisine (tacos, ceviches), Latin American dishes, and as a garnish for sandwiches and salads. Their mild sweetness makes them ideal for caramelizing, pickling, and grilling. They pair well with meats, seafood, vegetables, and are integral to dishes like French onion soup, Indian dals, and Asian stir-fries.