No need for working your muscles too hard on this dish. Why? Because the dish here is that you may try with mussels (locally known as Kallummekaya) adds on to your muscles, rather than wasting them. All you need for making 'Kallummakaya Ularthiyathu' a popular Kerala delicacy, which is quite popular in the northern districts of Kerala, especially in the District of Kozhikode are as follows:

Ingredients
Coconut oil - 50ml
Fennel - 10ml
Curry leaves - 1
Ginger julienne - 50g
Green Chilly - 25g
Coconut slice - 25g
Mango puree - 1tsp
Chilly powder - 1 1/2tsp
Turmeric powder - 1/2tsp
Coriander powder - 1 1/2tsp
Tomato - 100g
Salt - to taste
Mussles - 1 kg
Small onion - 250g

Below mentioned items should be crushed
Fennel - 10g
Pepper corn - 10g
Red chilly - 10g
Small onion - 50g

Method of Preparation
Heat the coconut oil in pan and temper Fennel and Curry leaves. Add ginger, green chilly, small onion, coconut slice and then make it brown. Then add chilly powder, turmeric powder and coriander powder after tomato slice. Saute it well, till it becomes paste. Add mussels, add some salt to taste and then saute it well till it becomes dry.