[drlevy88]

Pedantic point: it isn't N, it's N2.

I wonder how well pulverized dry ice would work. Not as cold as liquid nitrogen, but much easier to get. Pulverize it in a blender or food processor. (With very, very good ventilation such as a large fan blowing full blast from a window into the kitchen.)

[supercat]

I wonder how well pulverized dry ice would work.

Carbon dioxide would likely add an 'off' flavor.