If you get mussels with shells in your place, boil water and drop the shells in them.

Chuck the meat out of it with a spoon or knife after a few minutes.

:- You can chop the meat into bits.

Heat oil in a pan or a kadai.

Add curry leaves and onion and saute.

Add all the powders and saute for a few more minutes.

Add mussel meat.

Add salt.

Fry for a few minutes and add coconut.

Keep frying on low heat until done.