Root Beer Float Experimentation

So, what's a girl to do when summer has finally arrived and there are a number of cans of Hansen's Root Beer sitting in the pantry collecting dust? When there's an allergy to cow's milk involved, the obvious answer is to go in search of the perfect ice cream substitute for root beer floats!

So, here's the list of what I've tried... along with my opinions on how the stuff works as a straight ice cream substitute and how it fared once root beer became involved.

( Results under the cut. )

Crossposted from my Livejournal