Cut up the avocado in half. Remove the seed and extract the pulp in the blender.
Add coconut milk in (you can use almond milk), and turn on the blender.
While processing, add the mint, sweetener, sour cream and vanilla, and keep processing until the mixture is homogeneous.
Now pour the mixture into your ice-cream machine and process by following the instructions of the machine you have. This might take anywhere between 30 minutes to one hour.
Once the ice-cream mixture is completely homogeneous, pour it on a large bowl and incorporate the dark sugar-free chocolate chips (you could use crushed dark chocolate pieces if you prefeand stir with a spatula or wooden spoon.
Now place the bowl to the freezer for between 30 - 60 minutes, depending on the consistency of the ice cream you wish. Enjoy!
Notes
*If you don’t have an ice cream machine, simply freeze the ice-cream for 2-3 hours until it’s almost set then use a hard metal spoon to break the ice crystals then beat this mixture again using an electric beater or blender to achieve a smooth and creamy texture. After this, freeze it again until firm and serve.