If using classic crust: Heat oven to 425°F. Sprinkle cornmeal on 12-inch square pizza stone. Unroll dough on pizza stone. Starting at center, press dough into 12-inch square, forming 1/2-inch rim. If using thin crust: Heat oven to 400°F. Spray or grease 15x10-inch or larger dark or nonstick cookie sheet. Sprinkle cornmeal on cookie sheet. Unroll dough on cookie sheet. Starting at center, press dough into 15x10-inch rectangle.