01 - Bring a large pot of salted water to a boil. Cook pasta according to package instructions until al dente. Reserve 1/2 cup pasta water, then drain the pasta.
02 - Melt butter in a large skillet over medium heat. Add minced garlic and sauté for 1 minute until fragrant without browning.
03 - Pour in heavy cream 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. Simmer for an additional 2 to 3 minutes until sauce thickens slightly.
05 - Add drained pasta to skillet and toss to coat evenly. If the sauce is too thick, add reserved pasta water gradually to achieve desired consistency.
06 - Adjust seasoning with salt as needed. Serve immediately garnished with chopped parsley and extra Parmesan.