– 5 cups onions
Onions are a good source of vitamin C, dietary fiber, and quercetin, a potent antioxidant with anti-inflammatory properties. They contain prebiotic fiber that supports digestive health.
About
The onion (Allium cepa) is a bulbous plant in the lily family, native to Central Asia and cultivated worldwide for millennia. The edible portion is the underground bulb, composed of concentric layers of leaf bases that store carbohydrates and water. Onions vary in color (yellow, white, or red), size, and pungency depending on variety and sulfur content of the soil. The characteristic sharp, peppery flavor derives from volatile sulfur compounds that intensify when the bulb is cut or cooked, while extended cooking converts these compounds into sweet, savory flavors. Major cultivars include yellow Spanish onions, white Mauis, red Bermudas, and pearl onions.
Culinary Uses
Onions are a fundamental aromatic ingredient across virtually all savory cuisines worldwide. They serve as a flavor base in stocks, soups, sauces, and stews, appearing in French mirepoix, Spanish sofrito, Italian soffritto, and Indian tadka. Raw onions add pungency to salads, salsas, and relishes; caramelized onions provide deep umami sweetness to gratins and burgers; and pickled onions serve as condiments or garnishes. Onions are essential to dishes ranging from French onion soup to Indian curries, American hamburgers to Korean bulgogi marinades. Preparation methods—dicing, slicing, mincing, or charring—significantly affect flavor intensity and textural contribution.