India, Dec. 5 -- Sambar is one of the most common dishes in South Indian homes because it brings together dal, vegetables, tamarind, and spices in a balanced way. Toor dal gives it protein, tamarind adds a gentle tang, and sambar powder ties everything together. The dish fits easily with idli, dosa, rice, and even millets, making it useful for everyday meals. It's easy to cook and still gives a good mix of nutrients, which is why it remains a regular part of South Indian cooking.

Historical references trace the origins of sambar back to Tamil Nadu during the Maratha rule, where it is said to have been created accidentally in the royal kitchen. Over time, the dish spread across South India and picked up local influences. Each region shape...