Bring pot of salted water to a boil.
Add pasta, and cook spaghetti until 2 minutes before al dente.
While pasta is cooking, add olive oil to medium/high heat pan.
Add fresh cracked black pepper, and toast until aromatic.
Add pasta to the pan, along with 6 oz of the pasta water for 1-2 minutes.
Turn heat off, and slowly add pecorino cheese while tossing the pasta in the pan.
Adjust using pasta water as needed, until the sauce is thick and creamy.
Plate, garnish with cheese, and serve immediately.