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A plate of creamy, homemade Fettuccine Alfredo garnished with fresh parsley.

Authentic Fettuccine Alfredo (Roman Recipe)

This authentic Fettuccine Alfredo captures the essence of Roman cuisine – just a few high-quality ingredients combined with proper technique create a restaurant-quality dish that's both comforting and sophisticated.
Prep Time 10 minutes
Cook Time 15 minutes
Total Time 25 minutes
Course dinner, Main Course, Main Course, Dinner
Cuisine Italian
Servings 4
Calories 780 kcal

Equipment

  • Large pot
  • Large skillet or saucepan
  • Grater For Parmesan
  • Tongs or pasta fork
  • Measuring cup

Ingredients
  

  • For the Fettuccine
  • 12 oz 340 g fettuccine
  • Salt for the pasta water
  • For the Alfredo
  • 8 tbsp 113 g unsalted butter, softened
  • 2 cups finely grated Parmigiano Reggiano
  • ½ –1 cup reserved hot pasta water as needed

Instructions
 

  • Step 1: Prepare Your Mise en Place
    Grate the Parmesan cheese fresh. Mince the garlic if using. Bring the butter to room temperature.
  • Step 2: Cook the Fettuccine
    Fill a large pot with water and add kosher salt generously – the water should taste like seawater. Bring to a rolling boil over high heat. Add the fettuccine and cook according to package directions until al dente. Reserve 1 cup of pasta cooking water before draining.
  • Step 3: Create the Base Cream Sauce
    In a large, heavy-bottomed skillet or saucepan, melt the butter over medium-low heat. If using garlic, add it now and sauté for 30 seconds until fragrant. Pour in the heavy cream and whisk gently to combine. Allow the mixture to warm through without boiling.
  • Step 4: Build the Cheese Sauce
    Gradually add the grated Parmesan cheese to the warm cream mixture, whisking constantly to prevent clumping. If the mixture seems too thick, add pasta water one tablespoon at a time until you reach the desired consistency.
  • Step 5: Combine Pasta and Sauce
    Add the drained fettuccine directly to the cream sauce in the skillet. Using tongs, toss the pasta gently to coat every strand with the creamy mixture.
  • Step 6: Final Seasoning and Serving
    Season with white pepper, nutmeg, and salt to taste. Serve immediately in warmed bowls, garnished with additional grated Parmesan and fresh parsley.
  • Prepare the Ingredients
    Finely grate the Parmigiano Reggiano and bring the butter to room temperature. Bring a large pot of water to a boil and season it with salt.
  • Cook the Fettuccine
    Cook the fettuccine until al dente according to the package directions. Before draining, reserve about 1 cup of the hot pasta cooking water.
  • Add the Butter
  • Place the softened butter in a large warm serving bowl or skillet. Add the hot drained fettuccine directly over the butter.
  • Add the Parmigiano Reggiano
    Gradually add the finely grated Parmigiano Reggiano while continuously tossing the hot pasta.
  • Create the Creamy Emulsion
    Add the reserved pasta water a little at a time while continuing to toss. Continue until the butter and cheese form a smooth, creamy coating around the fettuccine. Add only as much pasta water as needed.
  • Serve
    Divide the Fettuccine Alfredo among warm plates. Add a little extra Parmigiano Reggiano if desired and serve immediately.
Keyword authentic alfredo, classic pasta, creamy pasta, fettuccine alfredo, homemade pasta, Italian dinner, Italian pasta, Parmigiano-Reggiano, pasta with cream sauce, Roman recipe