Ingredients
Method
- Bring a pot of salted water to a boil. Cook spaghetti until just shy of al dente; reserve 1 cup pasta water.
- In a wide skillet off heat, add butter and 1/4 cup hot pasta water to loosen.
- Transfer drained pasta to the skillet. Toss over low heat.
- Sprinkle in Parmesan in batches, tossing constantly and adding small splashes of pasta water until the sauce is glossy and coats the pasta.
- Season to taste with salt and pepper. Plate and finish with extra Parmesan.
