Step-11. Rinse and pat dry the tilapia fillet. Dust the fillet with pepper and salt.
Step-22. Heat oil in a pan and add the fillet. Cook for 3 minutes on each side until pale golden and cooked.
Step-33. Pound/crush the garlic and green chillies and add in the pan. Move the garlic-chili around so that they cook in oil and become soft.
Step-44. Add half a cup water at this point.
Step-55. Next goes in the lime zest.( shave the green peel in a grater as shown and add).
Step-66. When the water bubbles and reduces to half add the milk and let it cook.
Step-77. Let it simmer for a few minutes. Add some parsley or coriander. Taste for seasoning and adjust salt, pepper and lime juice to taste. Serve with the sauce or with rice.