In your ninja creami pint container add the heavy cream, milk, cocoa powder, powdered sugar, and vanilla extract.
2/3 cup heavy cream, 1 cup milk, 2 tbsp cocoa powder, 1/3 cup powdered sugar, 1 tsp vanilla extract
Using a handheld frother, froth the mixture until everything is combined together.
Close the container with a lid and freeze on a flat surface for 24 hours.
Once you are ready for your ice cream place the pint container in the outer bowl of the device, top with the outer bowl lid and lock in your machine.
Press the ice cream function in your machine and allow it to blend the ice cream.
If the ice cream appears to be crumbly you you can add 1 tablespoon of milk and spin it again. Feel free to respin it as necessary to reach your desired consistency. Enjoy!