In a mixing bowl, combine flour, yeast, and salt. Gradually add warm water and knead until smooth.

Let the dough rise in a warm place for about 30 minutes.

Preheat the oven to 475°F (245°C).

Roll out the dough on a floured surface to your desired thickness.

Spread tomato sauce over the dough, then top with mozzarella cheese, sardines, oregano, and drizzle with olive oil.

Transfer the pizza to a pizza stone and bake for 15-20 minutes or until the crust is golden brown.

Remove from the oven, slice, and serve hot.