

Ninja Creami leaves a solid block of ice at the bottom
Hey everyone,
I'm having an issue with my Ninja Creami that I can't seem to figure out.
My recipe is basically Rule 1 chocolate protein powder, whole milk, and a small amount of water. I actually reduced the water because I read that water freezes too hard, but I'm still getting the same problem.
I blend everything in a blender until it's completely smooth, pour it into the Creami pint, freeze it for at least 24 hours, and then run it in the Creami.
When it starts spinning, the machine shakes pretty violently, to the point where I'm worried I'm going to damage it. After the cycle finishes, the top and sides are nice and creamy, but there's always a solid frozen puck at the bottom that the blade doesn't seem to scrape at all (see photos).
Has anyone else experienced this?