Sambar powder, traditionally known as sambar podi, is a foundational spice blend in South Indian kitchens, particularly in Tamil Nadu and Karnataka. Prepared by carefully roasting lentils and whole spices, this aromatic mixture defines the character of sambar, a lentil-based vegetable stew served daily across households. Coriander seeds form the base, lending citrusy warmth, while lentils contribute body and nutty depth. The roasting technique is crucial; it intensifies flavour, removes moisture, and ensures a long shelf life without preservatives. Making sambar powder at home allows control over spice balance and freshness, resulting in a more fragrant and vibrant blend than store-bought versions.