Mix well to combine, using either a whisk or an immersion blender, until pudding is dissolved.
The Cool Whip will mostly deflate during the mixing process, which is to be expected.
Remove the pint from the freezer and take off the lid.
Place the pint container into the outer bowl of the Ninja Creami machine, securing the outer bowl lid.
Lock the outer bowl into the Ninja Creami, then select the Lite Ice Cream function.
Remove the pint from the machine and check the ice cream’s consistency.
If it appears crumbly, place it back into the machine and use the Re-spin function.