Fish Butter Masala

• 1/2 kg Fish pieces
• 1/2 cup Onions thinly sliced
• 1 tbsp Ginger paste
• 1 tbsp Garlic paste
• 2 nos Green chillies sliced
• 1 cup Tomato chopped

For the masala:

• 2 tsp Chilly powder
• 1/2 tsp Turmeric powder
• 1 tsp Pepper
• 3-4 sprigs Curry leaves
• 2 cups Coconut milk
• 1/2 cup Coconut oil
• 2 tbsp Butter