How to Make Liquid Nitrogen Ice Cream
Thanks to its incredibly low temperature, liquid nitrogen can be used to create ice cream from a wide variety of ingredients, including hard to freeze liquors, in just a few minutes (see the Jefferson Lab demonstrate how to make liquid nitrogen ice cream).
A number of liquid nitrogen ice cream shops have popped up in recent years, including Smitten Ice Cream in San Francisco and Nitro in Long Island (Nitro is opening shops in Manhattan next year).