http://en.wikipedia.org/wiki/Pie should help answer your questions. I'm not too keen on the ones with meat, myself, but it all depends on preference.
I trust you didn't mean the mathematical value "pi", which is the ratio of the circumference of a circle to its diameter (i.e. circumference divided by diameter) http://www.geom.uiuc.edu/~huberty/math5337/groupe/digits.html
http://en.wikipedia.org/wiki/Pie should help answer your questions. I'm not too keen on the ones with meat, myself, but it all depends on preference.
I trust you didn't mean the mathematical value "pi", which is the ratio of the circumference of a circle to its diameter (i.e. circumference divided by diameter) http://www.geom.uiuc.edu/~huberty/math5337/groupe/digits.html
