of a large white onion
White onions are low in calories and contain prebiotic fiber, particularly inulin, which supports digestive health. They provide vitamin C, antioxidants including quercetin, and sulfur compounds with potential anti-inflammatory properties.
About
The large white onion is a cultivar of Allium cepa, a bulbous plant native to Central Asia and widely cultivated worldwide. White onions are characterized by their papery white skin, pale white to slightly off-white flesh, and relatively large, flattened bulb shape. They possess a milder, sweeter flavor profile compared to yellow onions, with less sulfurous bite, making them particularly suited to raw consumption and delicate applications. Major cultivars include the Granex, Maui, and Texas SuperSweet varieties, which are prized for their sweetness and tender texture when cooked.
White onions contain higher water content and lower dry matter than storage onions, which contributes to their crisp texture and refined flavor. They are typically available in spring and early summer, though supply extends year-round through controlled storage in some regions.
Culinary Uses
Large white onions are valued in cuisines ranging from Latin American to Asian cooking, where their mild sweetness and tender texture are appreciated. They are commonly featured raw in salsas, pico de gallo, and fresh salads, where their delicate flavor does not overpower. When cooked, they caramelize beautifully and become deeply sweet, making them ideal for French onion soup, creamed onion dishes, and slow-cooked braises. In Asian cuisines, they are sliced and used as a base aromatics or served as a fresh accompaniment to grilled meats and seafood. White onions pair well with acid (lime, vinegar) and fresh herbs such as cilantro.