Last month I sat in a session at a meetings industry conference on catering for food allergies. Since I had just given a similar session for the same conference (Serve This, Not That!), I wanted to see what this caterer had to say. In the session, one of the attendees asked the chef/owner of the catering company if it is possible to accommodate many different dietary needs with one menu item. He said yes and proceeded to describe a vegetarian, gluten-free barley salad they serve. STOP! Barley is not gluten-free. I told him this and he said, “Really? I didn’t…