Tarte aux Poires et Chocolat

Even simpler than Tarte aux Poires Normande is this version from the Loire Valley.

Make pâte brisée dough and line the tart pan as for Tarte aux Poires Normande. Heat the oven to 400°F/200°C and set a baking sheet on a low shelf to heat. After chilling the tart crust, sprinkle the bottom with 4