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Alfredo Sauce Recipe

Recipe by Pedro M. A. Neves

This classic Roman sauce combines butter, cream, and Parmigiano-Reggiano into a luxurious, silky coating for pasta. Alfredo sauce is simple yet elegant, requiring only a few quality ingredients and careful attention to heat control. Ready in minutes, it transforms fresh pasta into an iconic Italian comfort dish.

Ingredients

• 100g (3.5 oz) unsalted butter
• 250ml (1 cup) heavy cream
• 120g (4.2 oz) Parmigiano-Reggiano cheese, finely grated
• 2 cloves garlic, minced
• 1/4 teaspoon white pepper
• 1/4 teaspoon sea salt
• 1 pinch freshly grated nutmeg
• 500g (1.1 lb) fresh or dried fettuccine pasta

Instructions

1. Bring a large pot of salted water to a rolling boil and cook the fettuccine according to package directions until al dente. Reserve 240ml (1 cup) of pasta water before draining.

2. In a large saucepan over medium heat, melt the butter until it foams and becomes golden, approximately 2-3 minutes.

3. Add the minced garlic to the melted butter and sauté for 30 seconds, stirring constantly until fragrant but not browned.

4. Reduce heat to medium-low and slowly pour in the heavy cream, stirring constantly to prevent curdling.

5. Remove the saucepan from heat and stir in the grated Parmigiano-Reggiano in small handfuls, stirring continuously until fully melted and smooth.

6. Season with white pepper, salt, and nutmeg, tasting and adjusting as needed.

7. Add the cooked pasta directly to the sauce and toss gently for 2-3 minutes, adding reserved pasta water one splash at a time until the sauce reaches desired consistency.

8. Plate immediately and serve with additional grated Parmigiano-Reggiano and cracked black pepper if desired.

Substitutions

• Use half-and-half instead of heavy cream for a lighter version with 15% fewer calories
• Substitute Pecorino Romano for Parmigiano-Reggiano for a sharper, more assertive flavor
• Replace butter with ghee for a deeper nutty taste and extended shelf stability
• Use nutritional yeast instead of Parmigiano-Reggiano for a dairy-free, vegan variation

Tips

• Keep the heat at medium or lower throughout cooking to prevent the cream from breaking or the cheese from becoming grainy
• Add pasta water gradually at the end—it helps emulsify the sauce and prevents it from becoming too thick
• Grate the cheese finely by hand or use a microplane; pre-grated cheese contains anti-caking agents that can make the sauce lumpy
• Work quickly once the pasta and sauce combine, as the dish continues to thicken as it sits

Alfredo sauce originates from Rome and was popularized in the early 1900s at Ristorante Alfredo di Roma. The authentic Roman version contains only butter, cream, and Parmigiano-Reggiano—no garlic or cream in traditional recipes—though modern adaptations vary by region and cook preference.

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