For the dough: – 1 package active dry yeast – 1 1/4 cups water – 3 1/4 cups all-purpose flour – 2 tsp salt – 2 tbsp. olive oil – 1 tbsp. granulated sugar For the sauce: – 1 large yellow onion thinly sliced – 2 tbsp. olive oil – 14 oz can whole peeled tomatoes – 1 garlic clove minced – 1 tsp dry oregano – salt to taste Other toppings: – 1/2 cup dry unseasoned bread    crumbs – 1/4 cup grated Pecorino Romano   cheese or aged caciocavallo cheese – anchovy fillets packaged in oil    (optional) – 1/2 tsp dry oregano