Clean the mushrooms, cook them in a very hot pan with olive oil and a chopped shallot. Lower the heat once they’ve browned and add some cream. Let this simmer
Cook the pasta in salt water (1-2 min less than required). Save some pasta water when you drain the pasta
While the pasta is cooking, season your sauce with salt and pepper. Add some truffle oil to taste
Drain the pasta and transfer it to the pan with the sauce without rinsing it. Add the leftover pasta water. Mix everything on high heat. Add some parmesan, olive oil and parsley