Provençal Olive and Anchovy Flatbread

In the south of France—known affectionately as the Midi, and home for decades to Pablo Picasso—this recipe is a classic. The region has lots of ancient olive trees, and a number of their well-loved breads incorporate plenty of olives from many different types of trees. So when you make this flatbread, feel free to do the same, although this bread traditionally uses black olives. Use large, small, oil-cured, brine-cured, white, green, purple, or black olives. The flatbread is usually made wi