I can't claim ownership of this little tip, but I don't think it's very well known so it's worth sharing. If you own a cold-press style juicer, you can probably use it to make banana style ice cream as seen in this video:
The resulting goop has the consistency of soft ice cream and tastes pretty good - very useful when you're craving a treat but don't want to go overboard.
Here's one I made earlier:
Hope you find this useful!