Heat a pan and dry roast 1 teaspoon of white sesame seeds until they start to crackle. Do not over-roast. Remove and set aside.
In the same pan, heat 1/2 ladle of oil.
Add 1/2 a small teaspoon of mustard seeds and let them splutter.
Add 1/2 a small teaspoon of cumin seeds and let them roast well.
Add a pinch of asafoetida powder.
Add the ginger-garlic-green chilli paste and saute for a minute on medium heat until the raw smell disappears.
Add 1/2 a small teaspoon of turmeric powder and mix well.
Add some coriander leaves and 1 small teaspoon of coarsely ground coriander powder. Mix well.
Pour in 1/2 glass of lukewarm water and add salt to taste. Bring the mixture to a boil.
Reduce the heat to low and add the ground chana dal paste to the boiling mixture.
Mix well and cook on medium heat, stirring continuously until the mixture thickens.
Reduce the heat to low, cover the pan, and cook for 5-7 minutes until the mixture is well cooked. Stir occasionally to prevent sticking.