  0. Place the baking stone on the bottom rack of the oven. Preheat the oven to 000°F.  0. On a generously floured work surface, roll the dough into a 00-inch round.  0. Sprinkle the wooden pizza peel with polenta and place the round of dough on the peel. Working quickly to keep the dough from sticking, assemble the tart: Spread the 