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Creamy Alfredo Sauce with Penne (Rich, Silky & Restaurant-Style)


  • Author: WAFA LI

Ingredients

Scale
(Serves 4)
  • 12 oz (340g) penne pasta
  • ½ cup (1 stick / 115g) unsalted butter
  • 1½ cups heavy cream
  • 1½ cups freshly grated Parmesan cheese (plus extra for serving)
  • 2 garlic cloves, minced
  • ¼ tsp ground nutmeg (optional but classic)
  • Salt & black pepper to taste
  • Optional: pinch of red pepper flakes, fresh parsley

Instructions

  1. Cook pasta: Boil penne in salted water until al dente. Reserve ½ cup pasta water before draining.
  2. Make sauce: In a large skillet, melt butter over medium heat. Add garlic; cook 30 seconds until fragrant (don’t brown!).
  3. Simmer cream: Pour in heavy cream; bring to a gentle simmer. Cook 2–3 minutes, stirring occasionally.
  4. Finish Alfredo: Reduce heat to low. Gradually whisk in Parmesan until melted and smooth. Stir in nutmeg, salt, and pepper.
  5. Combine: Add drained pasta to sauce. Toss to coat, adding reserved pasta water as needed to loosen.
  6. Garnish with extra Parmesan, black pepper, red pepper flakes, and fresh parsley.
💡 Pro Tips:
– Use real Parmigiano-Reggiano for best flavor and meltability.
– For extra silkiness, stir in 2 tbsp cream cheese with the Parmesan!
– Add grilled chicken, shrimp, or sautéed mushrooms for a heartier meal.

Prep Time & Nutrition (per serving):

Prep Time: 5 min | Cook Time: 15 min | Total Time: 20 min
Servings: 4 | Calories: 520 | Net Carbs: 38g | Fats: 34g | Protein: 18g