To make the alfredo spaghetti ... generously with the grated mozzarella and bake for 20–25 minutes until golden and bubbling. Remove from the oven and allow to sit for 5 minutes before serving ...
Add a splash of water to the tray, place in the oven and roast for 45 minutes, then remove. With 10 minutes to go, cook the spaghetti in a pan of boiling salted water according to the packet ...