Break the husk of the coconut and scoop out the meat. Wash the meat and pat dry with paper towels. Coarsely grate the coconut meat into a mixing bowl.
Add the carrot, ginger and chilli and season with salt to taste.
Squeeze in the lime juice, add the coconut milk and stir to mix evenly. Cover with clingfilm and place in the refrigerator for one hour before serving.