Tomato Rasam ! Easy! Tasty! Healthy!!

Tomato rasam is an all time favourite with both young and old. It tastes just great and can be had either with rice or as a stupor appetiser too.
Ingredients
Tomatoes 2 (ripe)
Cooked Tuvar dal(pigeon pea lentils) 1/2 cup
Black pepper 1/2 tsp
Cumin seeds 1/2 tsp
Salt to taste
Curry leaves a few
Coriander leaves a few
Lemon juice 1 Tbsp
Ghee 1/2 tsp
Mustard seeds 1/4 tsp