01 - Bring a large pot of salted water to a boil. Cook pasta according to package instructions until al dente. Reserve ½ cup pasta water and drain remaining water.
02 - Melt butter in a large skillet over medium heat. Add minced garlic and sauté for 1 minute until fragrant without browning.
03 - Add heavy cream to skillet and bring to a gentle simmer. Cook for 2 to 3 minutes, stirring occasionally.
04 - Whisk in Parmesan cheese, black pepper, and nutmeg if using. Continue simmering for 2 to 3 minutes until sauce slightly thickens.
05 - Add drained pasta to skillet and toss to evenly coat. If sauce is too thick, add reserved pasta water in small increments to loosen consistency.
06 - Taste and season with salt as needed. Serve immediately, garnished with fresh parsley and extra Parmesan cheese.