The Famous Mont-Saint-Michel Omelet

France is filled with pilgrimage sites, from places whose claim to fame is a bone from some obscure saint to Gothic cathedrals so grand that it’s easy to imagine the devout of the Middle Ages staring in awe at the rose Windows. Mont-Saint-Michel is in the latter category. It is a fortified rock, and depending on the tides, at times it is an island and at times not. At the summit is an ancient abbey, now visited by tourists instead of pilgrims. But lower down is a restaurant that once became