Sri Lankan Canned Mackerel curry

Ingredients

• 1 mackerel can (425g/15 oz)
• 1/3 cup chopped onion
• 1 large tomato diced (or 2 small)
• 4 garlic cloves minced
• 3 green chilies slitted
• 2 sprigs of curry leaves
• 3 pieces of Pandan leaf (3-inch long)
• 2 cinnamon pieces (about 3 inches long)
• 1 tbsp chili powder
• 2 tsp Sri Lankan unroasted curry powder
• 1/2 tsp Turmeric powder
• 1 tsp freshly ground (coarse) black pepper
• 1/8 tsp Fenugreek seeds
• 1 piece of Garcinia cambogia
• 3/4 cup Thin coconut milk
• 1/4 cup Thick coconut milk
• 1 small wedge of lime
• 1 tbsp coconut oil
• salt to your taste