Hilsha with Pineapple (sweet & sour dish)

Ingredients:

• 500 gm hilsha fish pieces (dressed & washed)
• 1 cup of grated pineapple 
• 1/2 cup of onion paste
• 2 tablespoon green chili paste
• 2 teaspoon turmeric powder
• 2 tablespoon red chili powder
• 2 tablespoon coriander powder
• 2 tablespoon cumin powder
• Salt & sugar to taste
• 1/2 cup of mustard oil
• 1 cup of water (if needed)

Preparation:

1. Marinate the fish with a pinch of turmeric powder & salt.
2. Heat the oil in a pan, fry the fishes lightly and keep aside.
3. Heat the oil in a pan, add onion-chili paste, turmeric-chili powder, 
   cumin-coriander powder, salt and sugar and fry it well.
4. Add grated pineapple, pre-fried fish pieces and 1/2 cup of water.
5. Cook it for 10-15 min in medium flame with cover till the gravy becomes thick.
6. Enjoy sweet & sour hilsha.