The bell rings. Students rush from their classrooms to the cafeteria. It’s lunchtime. They go through the line, pick up a tray and look at their meal choices for the day. But who prepares the food for...

Mystery meats, runny slop, and rancid milk cartons are the classic images of cafeteria food. It is a commonly accepted fact of a life: a gourmet meal can’t be bought in a lunchroom. But ask the new food...