Combine water, sugar, and yeast; wait for 5 mins until frothy.
In a large bowl, mix flour, salt, yeast mixture, and olive oil.
Knead dough for 5-7 mins until smooth and elastic.
Place dough in an oiled bowl, cover, and let it rise.
Preheat the oven to 425°F (220°C).
Combine Pecorino Romano, breadcrumbs, garlic, and parsley in a bowl.
Roll out the dough into a rectangle, and place it on a sheet.
Spread tomato sauce evenly, leaving a small border.
Sprinkle cheese mix, drizzle olive oil, season with salt and pepper.
Bake for 20-25 mins until golden and bubbly.
Cool briefly, then slice and enjoy your Scachatta pizza!