Put raw bananas and
yam in a deep non-stick pan, add 2 cups of water, red chilli powder, turmeric powder and salt and bring it to a boil. Cook till both the vegetables are tender.
Grind together
coconut, 1½ tsps cumin seeds and green chillies in mixer into smooth paste. Transfer the paste into a bowl, add yogurt and mix well.
Heat oil in a non-stick
wok, add ½ tsp cumin seeds, mustard seeds, curry leaves and dried red chillies and saute till the seeds splutter.
Add ground
paste-yogurt mixture, mix well. Add salt and mix.
Add this to bananas
and yam and cook for 2-3 minutes.
Transfer into a serving
bowl, garnish with coriander leaves and serve hot.