Rasam Powder is a flavorful spice blend used to prepare the popular South Indian soup called Rasam. It is a key ingredient that adds a unique taste and aroma to the dish. Rasam Powder is made by roasting and grinding a combination of spices like coriander seeds, cumin seeds, black peppercorns, dried red chilies, and curry leaves. This homemade spice mix can be stored for a longer period and used whenever you want to prepare authentic Rasam at home.