Grease 4 individual tartlet pans or one 23 cm fluted pan.
For the base, place all ingredients in the food processor and blend until you can pinch the mixture together and it sticks. Press firmly into the pan and refridgerate for at least one hour.
For the filling blend all the ingredients, except the lime juice and coconut oil, in a food processor until very smooth and creamy.
Melt the coconut oil.
Gradually pour the lime juice and then the coconut oil into the processor while the motor is still running.
Pour over the crust and refridgerate for at least 3 hours, or place in the freezer for 1 hour.