This traditional recipe from Kerala is, sadly, not so commonplace these days. In some homes, the snack is steamed rather than fried, but I find the crispness of the fried version more appealing.
Pat the fish dry with an absorbent towel. Put in a bowl and sprinkle with the chile powder, coriander, turmeric, and ½ teaspoon of the salt. Toss once or twice. Cover the bowl and put in the refrigerator to marinate for 30 minutes.
Place a nonstick sauté pan over medium heat and add 2