No relation to red flannel hash, flannel cakes are the name applied by Hollywood’s oldest restaurant, Musso and Frank Grill, to dime-thin pancakes that are wide enough to eclipse a full-size dinner plate. Served only at lunch, they can be a simple, straightforward meal, but they also make a grand companion to such stalwart Musso menu favorites as lamb shanks, sauerbraten, and corned beef and cabbage. The term flannel cake dates back to the mid-nineteenth century, when it was applied to oatcakes. It was a not-uncommon term for any kind of pancake in much of the mid-South into the mid-twentieth century, but we have seen no contemporary reference to flannel cakes other than at Musso’s.