Fill a large pot with 16 ounces of water and a pinch of salt. Bring the pot to a boil, add fettuccine pasta and cook according to package.
Take pot off heat and transfer to a colander.
Heat 4 tablespoons of butter in a large saucepan over medium heat. Add minced garlic and cook until fragrant, about 1 to 2 minutes.
Add 1½ cups of heavy cream, ¼ teaspoons of salt, 1 teaspoon of black pepper, and ½ teaspoon of italian parsley to saucepan and allow to simmer until thickened, about 5 minutes.
Once thickened, add 1 cup of shredded parmesan cheese and stir until cheese is melted and smooth.
Remove saucepan from heat. Add the cooked fettuccine to the sauce. If sauce needs to be thinned out, add a little pasta water. Combine well and enjoy!
Notes
Garnish with italian parsley and parmesan cheese, if so desired.