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pasta on a white plate.

Authentic Italian Tagliatelle Alfredo

This Authentic Italian Tagliatelle Alfredo recipe is made with just 3 simple ingredients! Also known as pasta al burro e parmigiano, this is a simple but flavorful pasta recipe that doesn't use any heavy cream or excessive ingredients.
5 from 1 vote
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Course: Appetizer, Main Course, Side Dish
Cuisine: Italian
Diet: Vegetarian
Prep Time: 10 minutes
Cook Time: 15 minutes
Total Time: 25 minutes
Servings: 4 people
Calories: 369kcal
Author: Emily Eggers

Equipment

  • Cheese grater or food processor
  • Large Mixing Bowl
  • Tongs

Ingredients

  • 8 oz Pasta fettuccine or tagliatelle
  • 3-4 tablespoon Butter cubed, chilled
  • 3 oz Parmigiano Reggiano grated (about ½-¾ cup when grated)
  • Kosher salt to taste

Instructions

  • Bring a large pot of water to a boil over medium heat and add a large pinch of kosher salt.
  • Add the pasta and cook according to package instructions to al dente. Use a measuring cup or bowl to remove about ¼ cup of starchy pasta water and set aside.  
  • ​While the pasta is cooking, add cubed butter to a large mixing bowl. 
  • Once the pasta is cooked, turn off the heat and use tongs to remove it from the pot and add the hot pasta directly to the mixing bowl with butter. Immediately begin stirring the pasta in with the butter as quickly as you can. 
  • While stirring, sprinkle in about ⅓ of the parmesan cheese with a splash of the reserved starchy pasta cooking water and continue stirring. Repeat this process until all of the cheese has been incorporated and the butter is fully emulsified. 
  • You do not have to use all of the pasta water. 
  • Taste the pasta and add salt as desired, though you may not need much. You may also add in some cracked black pepper at this point. 
  • Serve pasta hot and use a spoon to drizzle on any extra alfredo sauce. You may wish to garnish with parsley or chives. 

Notes

  • Pasta: Fresh tagliatelle gives the best texture, but high-quality boxed pasta (look for "bronze cut" on the label) works well too.
  • Cheese: Use real Parmigiano-Reggiano, not pre-grated parmesan. It won't melt the same way and the sauce can turn grainy.
  • Butter temperature matters more than quantity. Stir constantly as it melts into the hot pasta; letting it sit causes the sauce to separate instead of emulsify.
  • Substitutions will change the result. This recipe relies on just three ingredients, so swapping the cheese, using pre-shredded cheese, or skipping the pasta water will noticeably change the texture and flavor. Make as written for the most authentic result.

Nutrition

Calories: 369kcal | Carbohydrates: 43g | Protein: 15g | Fat: 15g | Saturated Fat: 9g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 4g | Trans Fat: 0.3g | Cholesterol: 37mg | Sodium: 412mg | Potassium: 149mg | Fiber: 2g | Sugar: 2g | Vitamin A: 428IU | Calcium: 266mg | Iron: 1mg
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