Easy pasta alfredo

1. Bring a large saucepan of salted water to the boil. Cook pasta according to packet directions.
2. Meanwhile, melt butter in a large frying pan. Stir in cream and 1 1/4 cups parmesan. Heat, stirring, 2-3 minutes, until bubbling.
3. Drain pasta well. Toss through sauce with nutmeg and season to taste. Serve topped with remaining parmesan.