Netholi puliyanam ( Anchovy in tamarind )

Anchovy 500 grams, remove head and tail, rub with salt and vinegar, then wash thoroughly.
Tamarind concentrate 2 tsp., diluted in 2 cups water, salt to taste, chilly powder 2 tsp.,
coriander powder 1 tsp., asafoetida powder 1/3 tsp., shallots 5, garlic cloves 2, both finely
chopped, green chilly 2, silted, curry leaf a sprig.
Mix the ingredients except fish in tamarind sauce in an earthen wok, and boil, while rolling
boil, add anchovies and allow to cook in medium flame.
When the sauce starts thickening, add a tbsp. coconut oil, swirl the wok and take off from the stove.
Serve with cooked tapioca.