Recipe Tip Sardines cook very fast. Hence, add them at the end of the recipe when the curry requires just a little time to simmer. Share your version of this recipe How do you Make Kerala Fish Curry at home? Do share your version with us. Frequently Asked Questions Why should the Kerala Fish Curry rest for a few hours before serving? When the curry rests after it is cooked, the flavours mature as time passes. Hence, if the curry rests for a few hours, it will be more flavourful when consumed. What can I use in place of Malabar Tamarind? If Malabar Tamarind is not available, then you can use any regular tamarind or even Kokum.