Writer Melanie Warner, whose new behind-the-scenes-look-at-the-world-of-processed-foods book, Pandora's Lunchbox, is out this week, spent the past year and a half investigating how processed foods are actually made.
A friend recently related a story how she was utterly shocked when, at age 19, for the first time in her life, she realized that mashed potatoes don't come from a box.