1Cook the onion and garlic in the vegetable oil until the onion has softened.
2Add the turmeric, ground coriander, chilli powder, curry powder, and green chillies. Cook for a few minutes, adding a splash of water if needed.
3Add the sardines and salt. Break up the sardines and cook for a few minutes, then cover and cook for 8-10 minutes over a low-medium heat, stirring halfway.
4Stir through the fresh coriander and cook for a final minute.