Spicy Rasam is a tangy and flavorful South Indian soup made from leftover tomato soup. This recipe transforms the plain tomato soup into a delicious and comforting dish by adding traditional rasam spices and herbs. The spicy rasam is perfect to warm you up on a cold day and can be served as a soup or with steamed rice. It is a quick and easy recipe that makes use of leftover soup and adds a spicy twist to it.