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Authentic Fettuccine Alfredo

A delicious and creamy Authentic Fettuccine Alfredo made with 5 simple ingredients for a quick and easy pasta dish!

  • Prep5 min
  • Cook15 min
  • Total20 min
  • Serves6 Servings
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Authentic Fettuccine Alfredo

An Authentic Fettuccine Alfredo with no cream and ALL the flavor! This dish is made with only 5 simple ingredients in under 20 minutes for the perfect silky, creamy pasta dish that your family will always love.

Fettucine in alfredo sauce in a pan with tongs.

Looking for more authentic Italian dishes? Try ourAuthentic Italian BracioleorSpaghetti Carbonara!

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What Makes Alfredo Sauce Authentic

The simplicity of ingredients is the key to classic and authentic Italian meals. If you see heavy cream in it, it's probably not an authentic Italian dish, but it can still be delicious, like Pink Sauce with Sausage. This authentic fettuccine alfredo is made with just a few simple ingredients: butter, parmigiano, salt, and pepper, similar to Spaghetti with Garlic and Oil.

This dish, similar to classic Roman dishes like Pasta Alla Griciaor Bucatini Amatriciana, is all about the technique. You want the cheese, butter, and pasta water to slowly combine into a silky and creamy cheese sauce. The easy way to make this dish is to just add a bunch of cream. It makes it almost impossible to screw up, but it has the ultimate potential to ruin your day with a lot of time spent in the restroom.

For me, I much prefer a simple dish with simple ingredients. I can serve this with Italian Chicken Cutlets and some Sauteed Rapini with Garlic, which is one of my all-time favorite meals!

Ingredient Notes and Substitutions

Ingredients for the recipe.
  • Fettuccine. A bronze cut fettuccine is great for authentic fettuccine alfredo because the sauce will easily stick to the pasta. Bronze-dyed cut is easy to tell because the pasta always looks a bit starchier.
  • Butter. Unsalted butter is best because then you'll have control over how much salt goes into the dish.
  • Parmigiano. It's always best to use freshly grated parmigiano because anything pre-grated will have an anti-caking agent that will make it really difficult to easily melt into the sauce.
  • Salt and Pepper. Pepper, not pictured above, is my favorite flavor in this authentic dish. It adds the perfect amount of flavor to this simple dish!

*Please see the recipe card below for more information on the ingredients.

How to Make Traditional Fettuccine Alfredo

Boiling fettucine in a pot.

Step 1: Boil a large pot of water. Boil the fettuccine to al dente.

Melting butter in a pan.

Step 2: Bring a large saucepan to medium heat. Add the butter to the pan and melt completely.

Combining pasta water with butter.

Step 3: Add 1 cup of pasta water to the pan with the butter and combine.

Combining pasta with the butter and pasta water.

Step 4: Add the al dente pasta to the pan and toss well. The sauce should start to thicken as you toss the pasta with it. Keep some pasta water ready to add more if necessary.

Parmigiano cheese added to pasta in pan.

Step 5: Remove the pan from the heat and slowly stir in the cheese a little bit at a time until thoroughly combined.

Finished creamy fettucine alfredo in a pan.

Step 6: Add more pasta as needed to make the sauce more creamy. If you notice the sauce getting too thick or dry, add more pasta water. Remove from the pan and serve immediately.

Serve along with some Cast Iron Chicken Breastor Cast Iron Boneless Pork Chops with a vegetable like Garlic Parmesan Green Beans to make this a full meal!

Fettucine alfredo in a pan with parmigiano and pepper on the side.

Pro-Tips

  1. Starchy pasta water is the key to authentic alfredo. Make sure to save extra pasta water to use. 
  2. Remove the pan from the heat when adding parmigiano cheese. If the pan is too hot, the cheese will stick to the pan.
  3. Toss and stir the pasta quickly when adding the cheese. Add more pasta water if the sauce starts to thicken or stick to the pan. 

Recipe FAQs

What is authentic alfredo sauce made of?

Authentic alfredo sauce or butter sauce is made with butter, parmigiano, salt, pepper, and pasta water. Very simple ingredients carefully crafted into a creamy pasta sauce.

How come my cheese melted into little balls?

This is called pilling. It could be because the pan was too hot when you added the cheese, you added too much at once, or you used a pre-grated cheese, which has the potential to do that because of anti-caking agents and preservatives.

Is there fettuccine alfredo in Italy?

Yes, but it's called fettuccine al burro.

Can I add chicken?

While it's not traditional, you can add whatever protein you like. I would just cook them separately because there's no reason to put them all together in the same pan.

More Traditional Italian Recipes

Ingredients

Equipment 1 large saucepan, 1 large pot

Steps

  1. 1

    Boil a large pot of water. Boil the fettuccine to al dente.

  2. 2

    Bring a large saucepan to medium heat. Add the butter to the pan and melt completely.

  3. 3

    Add 1 cup of pasta water to the pan with the butter and combine.

  4. 4

    Add the al dente pasta to the pan and toss well. The sauce should start to thicken as you toss the pasta with it. Keep some pasta water ready to add more if necessary.

  5. 5

    Remove the pan from the heat and slowly stir in the cheese until thoroughly combined. Add more pasta water when necessary to make the sauce more creamy. If you notice the sauce getting too thick, add more pasta water.

Notes

Notes

Nutrition

  • Calories492 kcal
  • Carbs55 g
  • Protein17 g
  • Fat23 g
  • Saturated fat13 g
  • Sodium792 mg
  • Fiber3 g
  • Sugar2 g
  • Cholesterol116 mg

Nutrition is an estimate for one serving.