Take dhal and pressure cook it for 10 mins(3 whistles).

Heat some oil in a pan or a kadai.

Fry the finely chopped onions, till it turns brown.

Add the finely chopped tomatoes to it and cook on a low flame, until the tomatoes become a paste.

Add garlic to it.

Add the cooked dhal into this paste and pour 2 cups of water.

Keep this mixture on low flame until it boils.

Garnish with coriander leaves.

Allow the curry to set for 10 mins.

:- Serve with rice.