Next, take 1 tbsp of ghee in a pan, and once the ghee is hot add mustard seeds. Once seeds are crackled then add urad dal. When urad dal turns golden browns then add few Curry leaves, Green chilli roughly chopped, asafoetida, chopped cashew nuts. Sauté for a while and then add chopped onion. Sauté again till the onion turns soft.