Boil a large pot of salted water. Cook fettuccine according to package instructions until al dente. Drain and set aside.
In a large skillet, heat olive oil over medium-high heat. Add shrimp and cook for 2-3 minutes per side until pink and opaque. Remove shrimp from skillet and set aside.
In the same skillet, melt butter over medium heat. Add minced garlic and sauté for 1 minute until fragrant.
Pour in the heavy cream and bring to a gentle simmer. Cook for 2 minutes to slightly thicken.
Whisk in the grated Parmesan cheese and black pepper until the sauce is smooth and creamy.
Return the cooked shrimp and drained pasta to the skillet. Toss well to coat everything in the alfredo sauce.
Garnish with chopped fresh parsley and serve immediately.
Notes
For an extra kick, add a pinch of red pepper flakes to the sauce. Store any leftovers in an airtight container in the refrigerator for up to 3 days.