Yellow onion

Template:Infobox Vegetable The yellow onion or brown onion is a variety of onion (Allium cepa) characterized by its yellow-brown skin and white flesh. It is the most common type of onion used in cooking around the world. Yellow onions have a balance of astringency and sweet in their flavor, becoming sweeter the longer they cook. They are a staple ingredient in many cuisines and are used in a variety of dishes, including soups, stews, sautés, and sauces.

Characteristics

Yellow onions are medium to large in size, with a strong, pungent flavor when raw. They become sweeter upon cooking, which makes them highly versatile in culinary applications. The outer skin is typically yellow to golden brown, while the inner flesh is white or cream-colored. Yellow onions have a high sulfur content, which contributes to their strong flavor and the tears they can induce when chopped.

Cultivation

Yellow onions are grown globally and are adaptable to a wide range of climates. They are biennials, typically grown as annuals, and are harvested when their outer skin becomes dry and papery. The cultivation process involves planting the seeds directly in the soil or starting them indoors and transplanting the seedlings to the field. Onions require well-drained, nutrient-rich soil and consistent watering. Harvesting occurs when the tops of the onions begin to fall over and yellow.

Culinary Uses

Yellow onions are a foundational ingredient in many recipes, contributing depth and flavor to dishes. They are commonly used in the initial stages of cooking to build a flavor base for soups, stews, sauces, and braises. Yellow onions can be sautéed, caramelized, grilled, roasted, or used raw in salads and salsas. Their ability to become sweet when cooked makes them particularly suited for caramelizing.

Storage

To maximize their shelf life, yellow onions should be stored in a cool, dry, well-ventilated place away from light. They should not be stored in plastic bags, as lack of air movement can reduce their lifespan. Properly stored, yellow onions can last for several weeks. It is not recommended to store them in the refrigerator, as the cold, moist environment can lead to spoilage.

Nutritional Value

Yellow onions are a good source of vitamin C, dietary fiber, and certain antioxidants. They have been associated with various health benefits, including improved heart health and reduced risk of certain cancers. However, they are also known to cause discomfort to some individuals with sensitive stomachs or those with certain allergies.

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