Bring the cream to a boil in a medium saucepan over high heat. Reduce the heat to medium and simmer until the cream is reduced by half, 20 - 30 minutes.
Meanwhile, boil a large pot of heavily salted water. Add the pasta a cook until al dente, about 8 minutes.
Drain the pasta and add to the saucepan with the cream. Add the butter and grated cheese, and stir over the heat to combine. Add pepper (a lot) and salt (very little) to taste Enjoy!