Heat up a vessel.

Add raw banana and yam pieces along with some water and cook, till done.

Add black pepper powder, turmeric powder and salt.

Grind together coconut and green chillies into a smooth paste.

Add curd into the boiling curry.

Allow it to boil further.

When it becomes thick, add the ground mixture and more curry leaves.

Switch off the gas and close with a lid.

Heat up a pan or a kadai.

Add fenugreek seeds and fry it.

Powder it and add it into the curry.

Heat oil in the same pan.

Splutter mustard seeds and saute curry leaves and dry red chillies.

Add it too into the curry and mix well.

:- For more sadhya items, see my other sadhya recipes.