The Washington Post: 
March 2010

The Washington Post Food Section wrote an article on Mark and the most important spice in the world, salt. An excerpt:

 "As far as my research goes, kosher salt is obtained from the sea and does not contain additives. Mark disagrees: “I think if squeeze-tube margarine is your butter, hot dogs are your meat, and spray-whiz nacho sauce is your cheese, then I suppose kosher can be your salt. Otherwise, reach for a natural salt"...So what salt does he use instead of regular old table salt? “I use sel gris. Think of sel gris as a whole food: it contains 84 trace minerals occurring naturally in the sea, has irregular, chunky crystals and plenty of residual moisture that lends each crystal a supple crunch.”

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