All-purpose flour, for dusting
1 pound pizza dough
1 tablespoon extra-virgin olive oil plus extra, for drizzling
1 large (8 ounce) zucchini, trimmed and cut into 1/8-inch slices
2 tablespoons chopped fresh oregano leaves, divided
1 1/2 cups (4 ounces) shredded mozzarella
1 cup (2 1/2 ounces) grated Pecorino Romano
1/2 cup pitted sliced black olives

Place an oven rack in the lower third of the oven. Preheat the oven to 450
degrees F.

On a lightly floured work surface, roll out the dough into a 12-inch circle.