Baked tagliatelle with cream sauce

1) Preheat oven to 180°C, Gas 4.
2) Cook the tagliatelle in salted boiling water.
3) Grease a 23cm square baking dish.
4) Layer half the tagliatelle in the prepared dish. Spoon half the cream cheese on top of the tagliatelle. Sprinkle with half the peas and half the Parma ham. Top with half the mozzarella. Repeat the layers. Dot with butter and sprinkle with parmesan.
5) Bake until heated through, about 20 minutes.