- In a chatti (earthern pot), add the vegetables, water, turmeric and salt and bring to boil. Cook till the vegetables are almost done. 
- Grind the coconut, yogurt if using, cumin and green chillies into a smooth paste. If not using yogurt, add a little water for grinding. 
- Add into the cooked vegetables and simmer for a few minutes till raw smell is gone. Do not boil.  
- Drizzle in the coconut oil and add the curry leaves. Switch off and allow to rest till serving.