Lemon Rasam

Ingredients
Thuvar dhall 1/2 cup
Tomatoes 4
Ginger finely chopped
Green chillies 6 cut length wise
Hing a small pinch
Cumin powder 1/2 t.spoon
Cumin seeds 1/4 t.spoon
Pepper powder 1/2 t.spoon
Turmeric 1/4 t.spoon
Mustard 1/4 t.spoon
Red Chillies 2
Lemon 1
Ghee 1/2 t.spoon
Curry leaves a few
Cilantro a small bunch washed and finely chopped
Salt 1 t.spoon (or to taste)


Method
Cook thuvar dhall with turmeric, with 2 cups of water. 
Add chopped tomatoes, green chillies, ginger, hing, and salt, to
this and let this cook for 5-10 minutes.
Heat some ghee, splutter mustard, then add cumin seeds, red 
chillies, and curry leaves, and add cumin powder, and pepper 
powder before mixing this to the boiling rasam. Squeeze lemon
juice and garnish with chopped cilantro.