When it comes to kitchen staples and recipe ingredient lists, few items are as common as salt. In fact, salt has been a key part of the human diet for centuries, at times even becoming so important that entire economies were built around it. From preservation to flavoring, salt has played an important role in the human food system. And today, there are numerous types available. One of the most popular continues to be kosher salt, which presents a healthy option even in spite of the ongoing conversation about how much is too much.