Cheddar cheese is usually labeled according to its "sharpness." Dr. Michael Tunick, author of "The Science of Cheese," explains the reason for this flavor grading. Here is a transcript of the video.

The white cheddar sauce, smooth and glossy ... buttery flavor that reminded us of the cheese powder you'd find on potato chips or popcorn. "Cheese Club? Sounds fun!" one of our panelists quipped ...