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U.S. measurements first, metric equivalents in parentheses. Conversions are approximate; oz means weight ounces, not fluid ounces.
12 oz (340 g) fettuccine 1 lb (450 g) boneless skinless chicken breasts, thinly sliced 1 1 / 2 tsp (7.5 ml) kosher salt, divided 3 / 4 tsp (3.75 ml) freshly ground black pepper, divided 1 / 2 tsp (2.5 ml) garlic powder (optional) 2 tbsp (30 ml) olive oil 3 tbsp (45 g) unsalted butter, divided 3 cloves garlic, minced 1 1 / 2 cups (360 ml) heavy cream 1 cup (100 g) freshly grated Parmesan cheese, plus more for serving 1 / 4–1 / 2 cup (60–120 ml) reserved pasta water, as needed Pinch of freshly grated nutmeg (optional) 2 tbsp (30 ml) chopped fresh parsley 1–2 tsp (5 to 10 ml) lemon juice or a little lemon zest (optional)
12 oz (340 g) fettuccine 1 lb (450 g) boneless skinless chicken breasts, thinly sliced 1 1 / 2 tsp kosher salt, divided 3 / 4 tsp freshly ground black pepper, divided 1 / 2 tsp garlic powder (optional) 2 tbsp (30 ml) olive oil 3 tbsp (45 g) unsalted butter, divided 3 cloves garlic, minced 1 1 / 2 cups (360 ml) heavy cream 1 cup (100 g) freshly grated Parmesan cheese, plus more for serving 1 / 4–1 / 2 cup (60–120 ml) reserved pasta water, as needed Pinch of freshly grated nutmeg (optional) 2 tbsp chopped fresh parsley 1–2 tsp lemon juice or a little lemon zest (optional)
U.S. measurements first, metric equivalents in parentheses. Conversions are approximate.
1. Bring a large pot of well-salted water to a boil. Cook the fettuccine until just al dente. Reserve 1/2 cup (120 ml) of the pasta water, then drain. 2. Pat the chicken dry. Season with about 1 tsp (5 ml) salt, 1/2 tsp (2.5 ml) pepper, and the garlic powder if using. 3. Heat the olive oil and 1 tbsp (15 ml) butter in a large skillet over medium-high heat. Cook the chicken in a single layer (in batches if needed) until golden and cooked through, 4–6 minutes total. Transfer to a plate and tent loosely. 4. Reduce heat to medium-low. Add the remaining 2 tbsp (30 ml) butter to the skillet. Stir in the garlic and cook until fragrant, 30–60 seconds (do not brown). 5. Pour in the heavy cream. Bring to a gentle simmer, stirring, for 2–3 minutes until slightly thickened. Season with the remaining 1/2 tsp (2.5 ml) salt, 1/4 tsp (1.25 ml) pepper, and a pinch of nutmeg if using. 6. Whisk in the Parmesan a handful at a time until melted and smooth. If the sauce is too thick, loosen gradually with reserved pasta water; if too thin, simmer briefly to reduce. 7. Return the chicken and any accumulated juices to the skillet. Add the drained fettuccine and toss to coat evenly. Cook 1 minute so the pasta absorbs the sauce. 8. Taste and adjust seasoning. Add a squeeze of lemon juice or a little zest if you want extra brightness. 9. Remove from heat. Sprinkle with parsley and extra Parmesan. Serve immediately.
1. Bring a large pot of well-salted water to a boil. Cook the fettuccine until just al dente. Reserve 1/2 cup of the pasta water, then drain. 2. Pat the chicken dry. Season with about 1 tsp salt, 1/2 tsp pepper, and the garlic powder if using. 3. Heat the olive oil and 1 tbsp butter in a large skillet over medium-high heat. Cook the chicken in a single layer (in batches if needed) until golden and cooked through, 4–6 minutes total. Transfer to a plate and tent loosely. 4. Reduce heat to medium-low. Add the remaining 2 tbsp butter to the skillet. Stir in the garlic and cook until fragrant, 30–60 seconds (do not brown). 5. Pour in the heavy cream. Bring to a gentle simmer, stirring, for 2–3 minutes until slightly thickened. Season with the remaining 1/2 tsp salt, 1/4 tsp pepper, and a pinch of nutmeg if using. 6. Whisk in the Parmesan a handful at a time until melted and smooth. If the sauce is too thick, loosen gradually with reserved pasta water; if too thin, simmer briefly to reduce. 7. Return the chicken and any accumulated juices to the skillet. Add the drained fettuccine and toss to coat evenly. Cook 1 minute so the pasta absorbs the sauce. 8. Taste and adjust seasoning. Add a squeeze of lemon juice or a little zest if you want extra brightness. 9. Remove from heat. Sprinkle with parsley and extra Parmesan. Serve immediately.
Per serving | Servings: 4
Nutrition estimated: November 5, 2026
*Values are estimates based on USDA data and mathematical calculations. Actual values may vary. Where data are unavailable, those contributions are excluded. Calories, Carbohydrates, Protein, Fat, Saturated fat, Cholesterol, Fiber, Sugar, Sodium, Potassium, Calcium, Iron, Vitamin A, Vitamin C and Vitamin D are known subtotals. Missing contributions are unknown, not zero.