tbl onions
Table onions are low in calories but provide prebiotic fiber (particularly inulin) that supports gut health, along with quercetin, a flavonoid with antioxidant and anti-inflammatory properties.
About
Table onions (often abbreviated as "tbl onions") refer to common culinary onion varieties bred and selected for general kitchen use, as distinguished from specialized types such as bunching onions or storage onions. These belong to Allium cepa L., a monocot bulb crop domesticated in Central Asia over 5,000 years ago. Table onions are characterized by papery, dry outer skin; a firm, layered white, yellow, or red bulb; and a pungent, sulfur-containing flavor that mellows considerably upon cooking. The most widely cultivated table onion varieties include yellow onions (the most versatile and common), white onions (milder and crisper), and red onions (sweeter with purple-red pigmentation from anthocyanins).
Culinary Uses
Table onions are fundamental aromatic vegetables in global cuisine, serving as a base for soups, stews, sauces, and mirepoix preparations. They are sliced and caramelized for French onion soup, diced raw for salsas and relishes, grilled or roasted as a side dish, and incorporated into virtually all savory cooking traditions from European to Asian cuisines. Yellow onions are preferred for cooking due to their balance of sweetness and pungency; white onions are favored in Latin American cuisine; red onions are often served raw in salads for color and mild flavor. The sulfur compounds in raw onions contribute bite and complexity, while long, slow cooking converts these compounds into sweet, mellow sugars.