If you could try anything exotic or grotesque, or flat out nasty what would it be?

[?Cr@z!! BuT Y3t !n$an3?]

If you could try food that is foreign to you, and its not regular food its pure gross and nasty, but you want to try it what would it be and why would you want to eat this food. It has to be good I am looking for the best answer there is out there.