Spicy Fish Curry

I have eaten this wonderful fish curry many times in Singapore and Malaysia. In those countries, surrounded as they are by water, fresh fish is a standard staple in every home and on every menu. This recipe is a simplified version of the original. Most fish have a delicate taste and texture and one must be careful in applying any seasoning or spice. I have found Madras curry paste a great convenience; it works almost as well as the time-consuming hand-made curry paste. Added to a firm white