Place frozen bananas and coconut milk in a food processor. Blend until smooth. This will take a while, and probably a few pokes with a spatula (please turn the processor OFF before proceeding with poking... thank you.)
Note: Remember, this is an Eat-And-Serve dish. Do not put this ice cream in the freezer once it's been made. You won't like the results.
Please note that the nutrition data below is a ballpark figure. Exact data is not possible.