onions - 3 medium size
Rich in vitamin C, fiber, and antioxidants including quercetin; contains prebiotic compounds that support digestive health and beneficial gut bacteria.
About
The onion (Allium cepa) is a bulbous herbaceous plant of the amaryllis family, native to central Asia and now cultivated worldwide. The edible bulb consists of concentric layers of fleshy, modified leaves that contain sulfurous compounds responsible for the characteristic pungent aroma and tear-inducing effects when cut. Common varieties include yellow onions (the most versatile for cooking), white onions (milder, sweeter), red onions (sharp and slightly sweet, good for raw applications), and sweet onions such as Vidalia and Walla Walla. The flavor ranges from sharp and acrid when raw to mellow and caramelized when cooked, with sulfur compounds transforming into sweet-tasting compounds through heat.
Culinary Uses
Onions serve as a fundamental aromatic base in countless cuisines, forming the flavor foundation of stocks, soups, sauces, and stews through the mirepoix (onions, celery, carrots) technique and similar combinations. They are caramelized for French onion soup, pickled for condiments, grilled or roasted as a side dish, sliced raw in salads and sandwiches, and used as a garnish in various forms. Different cooking methods elicit distinct flavor profiles: brief sautéing develops sweetness, long slow cooking produces deep caramelization, and raw consumption preserves pungent, sharp notes. Yellow onions are preferred for general cooking, red onions for raw dishes and color, and white onions in Latin American and Asian cuisines.