Roast black pepper, whole coriander seeds and cumin seeds. Grind them together. This is the rasam powder.

Boil raw mangoes in water. When the mango is cooked, squeeze out the pulp. This will be the raw mango puree.Boil the arhar dal.

Boil tomatoes with ginger, garlic and rasam powder, strain it. Add raw mango puree and boiled arhar dal to it.

Pour oil into the wok, add mustard, whole dry red chilli, curry leaves and turmeric powder and then pour it into the tomato mixture. Add salt to it. Mix.