I made mashed potatoes and couldn't find the bay leaf I boiled with them. I did end up finding it in the pot - it stuck to the side when I drained them. I thought that I would kill someone by leaving it in....here's what Wikipedia has to say about that....
Mountain laurel leaves are poisonous to certain livestock and are not sold anywhere as a culinary herb (Britannica). This has led to the mistaken belief that bay leaves should be removed from food after cooking because they might poison humans. Bay leaves are safe to eat. However, a person may accidentally swallow a leaf; and since the leaves remain stiff, even after several hours of cooking, it may cause general injuries in the throat.