To make carrot casserole, first heat oil in a pan. Add mustard seeds and let it cook for 15 seconds. Now add onion and ginger and let it cook till the onion becomes soft. Now add carrots, salt and let it cook till the carrots become soft. After cooking, add curry leaves, sambar powder, cardamom powder, salt and mix it. After 1 minute add rice and mix. Now add green coriander, a tablespoon of ghee and mix well. Serve hot. Serve the Carrot Casserole with Spinach Raita, Paneer Masala and Phulka for dinner.