Onions are bulbous vegetables characterized by layers of papery skin and a pungent aroma. They come in various sizes, shapes, and colors including white, yellow, and red varieties. Typically used as a flavor base in countless savory dishes, onions impart a savory, slightly sweet taste when cooked, while raw onions add crunch and tanginess to salads and sandwiches. Known for their versatility, onions can be sautéed, caramelized, roasted, or even pickled to enhance their flavors. Beyond culinary uses, onions are valued for their potential health benefits, including antioxidant properties that may support immune health and heart function. Widely cultivated in different climates, onions are a staple ingredient in global cuisine, prized for their ability to add depth and complexity to a wide range of recipes while offering nutritional value and culinary versatility.