Cooking Mode: Shorshe Ilish

Step 1 of 5

Grind yellow and black mustard seeds with 2 green chilies and a pinch of salt into a smooth paste.

Step 2 of 5

Marinate fish steaks with half turmeric powder and salt for 10 minutes.

Step 3 of 5

Heat raw mustard oil in a pan until smoking, then lower heat and add the mustard paste, remaining turmeric, and water.

Step 4 of 5

Bring gravy to a gentle simmer, lay in the fish steaks and slit green chilies.

Step 5 of 5

Cover and cook gently for 8 minutes until the fish is flaky and infused with mustard flavor; serve with hot rice.