01 - Bring a large pot of salted water to a boil. Cook fettuccine until al dente according to package instructions. Reserve 1/2 cup pasta water, drain and set aside.
02 - Season chicken strips evenly with salt and black pepper.
03 - Heat olive oil in a large skillet over medium-high heat. Add chicken and sauté 5-7 minutes, turning occasionally, until golden and cooked through. Remove from skillet and set aside.
04 - In the same skillet, melt butter over medium heat. Add minced garlic and cook for about 1 minute until fragrant without browning.
05 - Pour in heavy cream and bring to a gentle simmer. Whisk in Parmesan cheese continuously until fully melted and sauce is smooth. Stir in nutmeg if desired.
06 - Adjust seasoning with salt and black pepper to taste.
07 - Return cooked chicken to skillet and toss to coat evenly with sauce.
08 - Add drained fettuccine to skillet and toss to combine. If sauce is too thick, add reserved pasta water gradually to achieve desired consistency.
09 - Plate immediately. Garnish with chopped fresh parsley and additional grated Parmesan as desired.