To start, you’ll combine the protein shake and the soft serve mix.
Whisk well to dissolve the soft serve mix completely, so your final product won’t be grainy.
Place the lid on the pint container and transfer it to a level surface of your freezer. Freeze for at least 24 hours.
Remove pint from freezer and take off the lid.
Place the container into the outer bowl of the Ninja Creami and secure the outer bowl lid.
Transfer bowl apparatus into the Ninja Creami machine and lock into place.