Big onions, scientifically known as Allium cepa, are a popular vegetable widely used in cooking for their pungent flavor and versatility. They are characterized by their large size, typically larger than other onion varieties.

Big onions offer a distinctive flavor profile that is pungent and slightly sweet. This flavor intensifies when cooked, making them a popular choice for sautéing, caramelizing, or using as a base in various recipes. They add depth and aroma to dishes, enhancing their overall taste. Nutritionally, big onions are low in calories but rich in essential nutrients.