Simple Vanilla Liquid Nitrogen Ice Cream
polsci.wvu.edu
polsci.wvu.edu
Also, it's really fun pouring liquid nitrogen into a bowl with a mixer and ice cream batter.
The book is from NewScientist. http://www.amazon.com/100-Things-Before-Plus-Afterwards/dp/1...
My guess would be that you would have to drizzle the (pretty watery) mixture into a pool of liquid N. I guess it would just burn off after a while and you'd have a nice treat.
Hmm... maybe I'll give it a try this weekend.
Remember not to seal the thing airtight unless you're trying to build a bomb.