Mustard-Crusted Fish with Coconut Curry

By AislePrompt Editorial · Published 2026-04-18 · Updated 2026-04-18

How this recipe was made — this recipe was drafted by AislePrompt's AI-assisted pipeline from technique templates and USDA-sourced nutrition data, and published by AislePrompt Editorial — see how AislePrompt recipes are developed and reviewed.

Tender fish fillets coated in a fragrant mustard paste and simmered in a creamy coconut curry, a classic Bengali dish with a modern twist. This Indian recipe, ready in about 45 minutes, pairs Rohu fish, Mustard seeds, Water for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 380 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 20 min Cook: 25 min Serves 4 Indian cuisine 380 cal/serving

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Ingredients

1.5 lbs Rohu fish
1 tbsp Mustard seeds
1 tbsp Water
1 tbsp Plain yogurt
1/2 cup Coconut milk
1 medium Yellow onion
2 cloves Garlic
1 inch Fresh ginger
1 Green chili
1/2 tsp Turmeric
1/2 tsp Cumin
1/2 tsp Coriander
1 tsp Salt
2 tbsp Vegetable oil
2 tbsp Fresh cilantro

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Instructions

Step 1: In a small bowl, combine mustard seeds, water, and yogurt to form a smooth paste; set aside.
Step 2: Heat vegetable oil in a large skillet over medium heat. Add finely chopped onion and sauté until golden, about 5 minutes.
Step 3: Add minced garlic, grated ginger, and finely chopped green chili, and cook for 1 minute until fragrant.
Step 4: Stir in turmeric, cumin, and coriander, and cook for 30 seconds.
Step 5: Add fish pieces to the skillet, then pour the mustard paste over the fish, ensuring each piece is coated.
Step 6: Pour in coconut milk and add salt, then bring to a gentle simmer.
Step 7: Cover and cook for 15-20 minutes, or until fish is cooked through and sauce has thickened slightly.
Step 8: Garnish with fresh cilantro before serving.