Bring a large pot of salted water to a boil and cook pasta until al dente.
Reserve 1/2 cup of pasta cooking water before draining.
In a large skillet, melt butter over medium heat.
Add minced garlic and sauté for 1 to 2 minutes until fragrant.
Whisk in heavy cream and simmer for 3 minutes until slightly thickened.
Reduce heat to low and stir in Parmesan cheese until fully incorporated and smooth.
Season sauce with salt and black pepper.
Add cooked pasta to the sauce and toss thoroughly to coat.
Adjust sauce consistency with reserved pasta water if necessary.
Garnish with fresh parsley and serve immediately.