Rasam is an authentic South Indian dish typically served with steamed rice and a light side dish in the southern part of India. It is healthy, a little spicy and tangy flavored due to the use of tomatoes in it. This rasam recipe is something I tried back 2-3 weeks ago, as it was cold where I live, rasam worked for us like a hot desi and easy to make soup, which actually to my surprise, do not require many ingredients, just some natural Indian whole spices which are super readily available.