Onions are one of the most widely used vegetables around the world, known for their distinct flavor and versatility in cooking. They belong to the Allium family, which also includes garlic, leeks, and shallots. Onions can be consumed raw in salads, sandwiches, and salsas, or cooked in a variety of dishes such as soups, stews, stir-fries, and curries. They add depth and richness to meals with their natural sweetness and savory taste when caramelized. Rich in vitamins, minerals, and antioxidants, onions also offer numerous health benefits, including improving heart health, supporting the immune system, and aiding digestion. They come in different varieties, such as yellow, red, and white onions, each with its own unique taste profile and culinary uses.