Prepare the toppings: Slice or tear the fresh mozzarella into small pieces.
Bake the pizza: When the oven is ready, dust a pizza peel with cornmeal or semolina flour. (If you don’t have a pizza peel, you can use a rimless baking sheet or the back of a rimmed baking sheet. But a pizza peel is well worth the investment!) Stretch the dough into a circle; see How to Stretch Pizza Dough for instructions. Then gently place the dough onto the pizza peel.
Spread the pizza sauce over the dough using the back of a spoon to create a thin layer. Add the pieces of fresh mozzarella cheese evenly across the dough, then top with the shredded mozzarella cheese. Sprinkle evenly with the garlic powder, dried oregano, and a few pinches of kosher salt.
Use the pizza peel to carefully transfer the pizza onto the preheated pizza stone. Bake the pizza until the cheese and crust are nicely browned, about 5 to 7 minutes in the oven (or 1 minute in a pizza oven). Slice into pieces and serve immediately.