2, easy to eat: first in the white bread on a layer of butter, and then the red or black caviar dipped in butter.
3, caviar, also known as fish roe sauce, sturgeon eggs, salmon eggs and other cured products. In Persian means fish eggs. Narrowly defined, caviar refers to sturgeon eggs, generally considered to be produced in the bordering Iran and the Russian Caspian Sea caviar quality is good, fishy taste and salty, bright color.