Ingredients serves 6
100 g of Suran or  elephant yam peeled and diced into 1/2 inch pieces
1 raw banana peeled and diced into 1/4 inch pieces
1 cup of full fat or low fat plain yoghurt/curd thoroughly whisked
2-3 Indian green chillies stalks removed
3.5 tsp. of ghee or vegetable oil plus 1 tsp
½ tsp. turmeric powder
½ tsp. fenugreek seeds
½ tsp. mustard seeds
1 teaspoon black pepper powder
3 dry whole red chillies (Kashmiri ir. Bedgi)
10 fresh green curry leaves
For the masala paste grind together
1 1/2 cups of fresh grated white meat of coconut
½ tsp. whole cumin seeds

Method of Preparation
Grind the  fenugreek  and cumin seeds to a smooth powder  without water in a spice grinder. Then add the green chillies and coconut and grind again adding a little water to facilitate grinding until you have a smooth chutney like paste.

Cook all the vegetables in 6 cups of water with  turmeric powder, 1 tsp ghee or oil and 1 teaspoon salt for 6 minutes on a medium flame.

Add yoghurt and stir well. Lower the flame.

When the vegetables are just tender add the ground coconut mixture and stir well. Bring to a boil and then remove from flame.

Heat 3.5 teaspoons of ghee or oil in a small frying pan. Add  mustard seeds and sauce 1 minute. Then add dry red chillies and curry leaves and cook until fragrant and golden. Pour over the vegetables and stir well. Adjust for salt.

Serve hot with rice or chapatis.