Boil water in a large pot and add a pinch of salt.
Cook the fettuccine according to package instructions until al dente.
In a separate pan, melt the butter over medium heat.
Add the heavy cream to the melted butter, stirring continuously.
Grate the Parmesan cheese and add it to the cream mixture.
Season with salt and pepper to taste.
Once the pasta is cooked, drain and reserve some pasta water.
Add the pasta to the cream sauce, tossing to coat evenly.
If the sauce is too thick, add a little reserved pasta water.
Shave fresh truffles over the dish just before serving, and garnish with herbs.