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Fettuccine Alfredo: The Original 3-Ingredient Italian Classic

Mar 8, 2026

This fettuccine Alfredo is the real deal. No cream, no garlic, no complicated sauce. Just pasta, butter, and Parmigiano brought together with a splash of starchy pasta water to create something impossibly creamy and satisfying. Andrea Buckett shared this recipe on The Good Stuff with Mary Berg as part of her TV Dinners segment, proving that the dishes we grew up loving can be even better when you strip them back to their roots.

If your idea of Alfredo involves a jar or a heavy cream-based sauce, this version might surprise you. The original fettuccine Alfredo was invented in Rome in the early 1900s, and it never called for cream at all. The magic is in the technique: tossing hot pasta with butter and finely grated Parmigiano so the starch from the pasta water and the fat from the butter and cheese form a silky, clinging sauce all on their own.

What Is Traditional Fettuccine Alfredo?

Traditional fettuccine Alfredo, sometimes called fettuccine al burro in Italy, is a Roman pasta dish made with just three ingredients: fettuccine, butter, and Parmigiano-Reggiano. The dish was popularized by restaurateur Alfredo di Lelio in Rome, and it became a sensation with American tourists in the 1920s. Over the decades, North American versions evolved to include cream, garlic, and other additions, but the Italian original remains beautifully simple.

Why This Recipe Works

The secret to this dish is the pasta water. The starchy water left over from cooking the fettuccine acts as the emulsifier that brings the butter and cheese together into a smooth, cohesive sauce. By transferring the pasta directly from the pot into the bowl with the cheese and butter (rather than draining and rinsing it), you keep all that starchy coating on the noodles, which helps everything come together.

Grating the Parmigiano on the small side of a box grater is an important detail here. The finer the cheese, the more easily and evenly it melts into the hot pasta, which is what gives you that creamy texture without any lumps.

Tips for the Perfect Fettuccine Alfredo

Work quickly once the pasta is cooked. The heat from the freshly cooked noodles is what melts the butter and cheese, so you want to toss everything together while it’s still piping hot. Serve it immediately for the best texture.

Save more pasta water than you think you’ll need. If the pasta sits for even a minute or two before serving, it can tighten up. A small splash of the reserved pasta water loosens the sauce right back to that silky consistency.

Fettuccine Alfredo Recipe

Ingredients

300g fettuccine 2.5 oz Parmigiano, grated on the small side of a box grater 1/3 cup butter, cut into cubes 1/2 cup pasta water

Instructions

  1. Cook the pasta according to package directions.
  2. In the meantime, add the parmigiano and butter to a medium bowl.
  3. Once the pasta is cooked, use tongs to transfer the pasta directly into the bowl with the cheese and butter. Add about a 1/2 cup of the pasta water to the pasta. Toss the pasta and move it around the bowl until the cheese and butter create a creamy emulsion coating the pasta. Serve immediately

If the pasta sits a little before you have a chance to serve it, add a little more of the pasta water to loosen up the sauce.

Frequently Asked Questions

Can I use pre-grated Parmesan cheese?

It’s best to grate your own from a block of Parmigiano-Reggiano. Pre-grated cheese often contains anti-caking agents like cellulose that prevent it from melting smoothly, and you’ll end up with a grainy sauce instead of a creamy one.

Why is there no cream in this recipe?

The original Roman fettuccine Alfredo never included cream. The creamy texture comes entirely from emulsifying butter, finely grated Parmigiano, and starchy pasta water together. Cream-based versions are a North American adaptation. Once you try the original, you’ll see it doesn’t need it.

Can I use a different pasta shape?

Fettuccine is the traditional choice and works best because the wide, flat noodles hold onto the sauce beautifully. You could use tagliatelle as a close substitute. Thinner pastas like spaghetti or angel hair won’t carry the sauce as well.

My sauce turned out clumpy. What went wrong?

This usually happens when the cheese is grated too coarsely or the pasta has cooled down too much before tossing. Make sure you grate the Parmigiano on the finest side of your box grater, and transfer the pasta straight from the boiling water into the bowl without letting it sit or draining it for too long.

Can I make this ahead of time?

This is really a serve-immediately dish. The sauce is at its best the moment it comes together. If you need to hold it briefly, keep it covered and add a splash of reserved pasta water and toss again just before plating.

How much pasta water should I save?

Save at least a full cup, even though the recipe calls for about half a cup. Having extra on hand is important because you may need more to loosen the sauce if it tightens up before you serve it.

Recipe for Fettuccine Alfredo

Print

Fettuccine Alfredo: The Original 3-Ingredient Italian Classic

Ingredients

  • 300g fettuccine
  • 2.5 oz Parmigiano, grated on the small side of a box grater
  • 1/3 cup butter, cut into cubes
  • 1/2 cup pasta water

Instructions

If the pasta sits a little before you have a chance to serve it, add a little more of the pasta water to loosen up the sauce. 

Did you make this recipe?

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Meet the Author

Andrea Buckett

Andrea Buckett is a celebrity chef, bestselling cookbook author, and trusted Canadian food expert known for flavour-forward recipes and practical kitchen tips. You can catch her as a featured anchor on CTV’s The Good Stuff with Mary Berg and on programs like ETalk, CTV Your Morning, and Breakfast Television Toronto. She has partnered with top Canadian brands including Canada Beef, Turkey Farmers of Canada, Egg Farmers of Ontario, Farm Boy, and Roots, and appears at major food festivals and culinary events across the country.

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