Bring a large pot of salted water to a boil and cook pasta according to package instructions. Drain and set aside.
Season chicken with salt, pepper, and Italian seasoning.
Heat olive oil in a skillet over medium heat and cook chicken for 5–6 minutes per side until golden and fully cooked. Remove and slice.
In the same pan, melt butter and sauté garlic for about 30 seconds.
Pour in heavy cream and bring to a gentle simmer.
Stir in Parmesan cheese until melted and smooth, creating an Alfredo Sauce Recipe Easy.
Add cooked pasta and sliced chicken to the sauce. Toss until evenly coated.
Simmer for 2–3 minutes to combine flavors.
Garnish with parsley and serve warm.