Crush bay leaves, clove and peppercorns. Keep them aside.
:- You can also add a pinch of fennel seeds(Perinjeerakam).
Heat oil in a pan.
Splutter mustard seeds.
Add onion, green chillies, shallots and 1 sprig of curry leaves.
Saute, till onions turn light brown.
Add the crushed spices, all the vegetables and salt and saute for 3-4 mins.
Add water and cook for 5 mins.
Add thin coconut milk.
Cover and cook, till the vegetables are done.
Add thick coconut milk and cook for 1 - 2 mins.
Garnish with the remaining curry leaves.
:- Serve hot with appams, idiyappams or puttu.
:- You can also add 1/2 tsp of coconut oil along with the curry leaves to enhance the taste and flavour.
:- Milk or coconut powder can be used as a substitute for fresh coconut milk.