Sardinian Sheet Music Bread with Lamb Sauce

I had come to the mountainous Barbagia district in eastern Sardinia to observe the making of pane carasau, the celebrated wafer-thin bread. We stopped for the night at Su Gologone, a handsome resort whose restaurant serves a broad variety of Sardinian specialties. I was puzzled at dinner to find among the first courses a dish called pane frattau. “Is this yet another kind of bread?” I asked our waiter. “No,” he said. “It is always pane carasau—sheet music bread—but it i