Close-up of a crispy Filet-O-Fish sandwich from McDonald's - Lauripatterson/Getty Images The Filet-O-Fish is one of the most popular items on the Mickey D's menu that is super simple and also super ...

Did you know that you're not supposed to serve black chicken fillets? In case you didn't, Burger King was generous enough to give their employees a chicken fillet color code chart. No I'm not kidding.

Ever pick up a beautifully pink salmon fillet at your local grocery store and wonder what makes that color so consistent, so perfect? That vibrant hue we've all come to associate with quality salmon ...