Firstly, in a pressure cooker take 1 cup moong dal and rinse with water.
Add ¼ tsp turmeric, 1 tsp oil and 2 cup water.
Pressure cook for 2 whistles or until the dal softens.
Mash the dal slightly to have a creamy consistency.
Add 1 tomato, 1 onion, 3 chilli, 1 inch ginger, 1 tsp salt, few curry leaves and ¼ cup tamarind extract.
Boil for 7 minutes or until the tomato softens.
Further, add 2 cup water and mix well adjusting the consistency as required.
Once the rasam gets to a boil, prepare the tempering by heating 2 tbsp oil and saute 8 cloves garlic.
Also add 1 tsp mustard, ½ tsp cumin, pinch hing, 1 dried red chilli and few curry leaves.
Splutter the tempering and pour over the chaaru.
Add in 2 tbsp coriander and mix well.
Finally, enjoy Pesara Pappu Charu with hot steamed rice.