Kosher salt is not kosher, per se, but it makes meat kosher in accordance to kosher law. Some people prefer using Kosher salt in cooking for garnish. Kosher salt does not contain iodine. See links below to find out more about Kosher salt and Kosher terms. The first is a site dedicated to Kosher eduation.

Below is a link detailing salt and pepper in kosher terms:

http://www.star-k.org/kashrus/kk-palate-s&p.htm

Below is a link to "Ask Yahoo" about kosher salt:

http://ask.yahoo.com/ask/20030310.html