01 - Bring a large pot of salted water to a rolling boil. Add pasta and cook according to package directions until al dente. Reserve 1/2 cup of pasta water then drain pasta.
02 - Melt unsalted butter in a large skillet over medium heat. Add minced garlic and sauté for 1 minute until fragrant but not browned.
03 - Pour in heavy cream and bring to a gentle simmer. Cook for 2 to 3 minutes, stirring occasionally.
04 - Whisk in grated Parmesan, black pepper, and nutmeg if using. Continue simmering for 2 to 3 minutes until sauce slightly thickens.
05 - Add drained pasta to the skillet and toss well to coat in sauce. If sauce is too thick, add reserved pasta water incrementally to adjust consistency.
06 - Taste and season with salt as needed. Serve immediately garnished with chopped parsley and extra Parmesan cheese.