I bought one of these thinking the concept was right.
I froze the bowl for two days and followed the directions.
They say 15 to 20 minute on low and you will have ice cream.
More like cold cream soup.
I poured the ingredients into a pan and put it into the refrigerator, washed out the KitchenAid bowl and put it back into the freezer over night.
The next night I ran it for over an hour.
This time it started to thicken a bit more, but still soup.
I dumped the stew cream into a glass container and froze it into ice cream.
This thing doesn't work, and is certainly not worth the money.
I cleaned it up, boxed it up, and took it back to the store for a refund!
Don't wasted your time.