In a large pot, heat water over high heat until boiling. Add salt to season the water. Once it is boiling, add fettuccine and cook according to package instructions.
Peel Shrimp and set aside
In a large skillet or pan, heat butter over medium heat. Add minced garlic and cook for 1 to 2 minutes. Stir in heavy cream
Let heavy cream reduce and cook for 5 to 8 minutes. Add half of the parmesan cheese to the mixture and whisk well until smooth. Keep over heat and whisk well until cheese is melted
Add Shrimp to heavy cream and cheese for 1 minute or untill pink
Save some pasta water. The pasta water is full of flavor and can be used to thin out the sauce
Toss alfredo sauce with Shrimp to the fettuccine pasta and add half of the parmesan cheese. Once it is tossed, garnish with the remaining parmesan cheese. Add a little pasta water if it needs to be thinned out
