b'Place the baking dish into your preheated oven and bake for an initial 15-20 minutes.Bake for a final 5 to 10 minutes, uncovered.Check on the progress (especially if covered) to determine if it needs more time baking, but if the pasta sheets are almost cooked through, then proceed to add parmesan cheese as liberally as you wish, and then bake for a final 5-10 minutes, uncovered.Serve with additional cheese and / or black pepper.69'