Tuna chikkiyathu /spicy tuna thoran (stir-fried tuna with spices)

Ingredients

• 4 teaspoons coconut oil
• ¾ cup chopped onion
• 15 curry leaves
• 1/3 cupful (1 medium size) chopped tomato
• 1 tablespoon + 1 teaspoon Kashmiri chilli powder (Adjust per taste)
• Few teaspoon of water
• ½ teaspoon pepper powder
• 2*185g canned tuna, drained
• 1/3 cup grated coconut
• ½ teaspoon garam masala