Fragrant Fish Curry

Ingredients

• 1 tsp coriander seeds
• 1 tsp mustard seeds
• 1 tsp cumin seeds
• 1 tsp salt
• 1 tbsp coconut oil
• 1 red onion, finely diced
• 2 cloves garlic, minced
• 1 stalk lemongrass, finely sliced
• 2 ½ centimetre piece of ginger, finely grated
• 400 g can whole peeled tomatoes
• 200 mL coconut milk
• 1 small red chilli, thinly sliced and seeds removed
• 600 g white fish fillets
• 2 tbsp lime juice
• Lime, to serve
• Flat leaf parsley, to serve