Spicy Coconut Fish Curry

This is a recipe for a very quick and simple, but delicious spicy fish curry flavored with coconut milk. Coconut is a highly nutritious health food and using coconut milk is an excellent way of incorporating coconut into your diet. The recipe works best with firm fish, but you can use any white fish of your choice, such as haddock, cod or halibut.
Ingredients
For the curry:

• 1 kg white fish of your choice, skinned and cut into 5cm pieces
• 2 tbsp coconut oil
• 1 tsp mustard seeds
• 1 tsp cumin seeds
• 1 tsp fennel seeds
• 2 onions, sliced
• 1 tomato, chopped
• 2 tbsp tomato puree
• 1 green chili, chopped
• 2 cups coconut milk
• Salt to taste
• Fresh coriander

For the marinade:

• ½ tbsp fresh minced ginger
• ½ tbsp fresh minced garlic
• ½ tsp turmeric powder
• ½ tsp red chili powder
• 1 tsp freshly ground coriander
• 2 tbsp water