Let pizza dough rest to room temp. Spread olive oil on cookie sheet. Shape and spread dough over sheet. Drizzle with olive oil. Let rest 45min. Optionally sprinkle with toppings like caramelized or pre-cooked onions. Preheat over to 400°F and place an empty loaf pan in it. Place 1 cup water into the loaf pan, and simultaneously move cookie sheet to oven. Bake 25min.