When Chicago teacher Sarah Wu left her brown-bag lunch at home and had to eat the cafeteria food, a nutritional activist was born. Upset by the lack of fresh, healthy ingredients, she started blogging as “Mrs. Q,” eating the cafeteria's offerings, photographing the trays, and commenting on their nutritional merits (or, rather, the lack of them). The blog, Fed Up With Lunch, eventually attracted the notice of nutrition experts like Food Politics author Marion Nestle, Ph.D., chef Jamie Oliver and his Food Revolution campaign, and chef Ann Cooper, the Renegade Lunch Lady, who followed Mrs. Q's reports and lent their expertise. Here, we asked the author/blogger/lunch reformer/mom to help us make over a typically bad school-lunch tray.