Horsegram Rasam, also known as Kollu Rasam, is a healthy and nutritious South Indian soup made with horsegram, tamarind, and a blend of spices. It is known for its earthy and nutty flavors. To make Horsegram Rasam, you will need ingredients like horsegram, tamarind pulp, rasam powder, and turmeric powder. The horsegram is cooked and mashed, and then mixed with the tamarind water and spices. The rasam is simmered until it reaches the desired consistency. It is usually served with steamed rice and a side of papadum. Horsegram Rasam is a wholesome and filling dish for dinner.