Sambar onion, also known as shallots, are small, bulbous vegetables that belong to the onion family. They have a mild, sweet flavor with a hint of garlic, making them a popular ingredient in various cuisines. Sambar onions are often used in Indian cooking to add depth and complexity to dishes such as sambar, curries, and chutneys. They have a reddish-brown skin and a white flesh that is tender and aromatic when cooked. Sambar onions are rich in antioxidants and vitamins, making them not only delicious but also nutritious.