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Fettuccine Alfredo
Dinner · Italian-American

Fettuccine Alfredo

Prep5 min
Cook20 min
Total25 min
Yields4 servings
DifficultyEasy

Silky fettuccine coated in a glossy butter-and-Parmesan sauce — no cream needed, just pasta water doing its quiet magic.

Ingredients

4 Servings
  • 1 lbfettuccine
  • 2 tspkosher salt(for pasta water, plus more to taste)
  • 6 tbspunsalted butter(cut into 6 pieces, cold)
  • 2 clovesgarlic(optional, finely grated)
  • 1 ½ cupsParmigiano-Reggiano(finely grated, about 3 oz)
  • ½ tspblack pepper(freshly ground)

Method

  1. 01

    Bring a large pot of water to a boil and add 2 tsp kosher salt. The water should taste lightly of the sea.

  2. 02

    Cook the 1 lb fettuccine according to package directions until just shy of al dente, about 1 minute less than the suggested time.

  3. 03

    Before draining, ladle out at least 1 ½ cups of pasta water and set aside — this starchy liquid is the backbone of the sauce.

  4. 04

    Drain the fettuccine and return the empty pot to medium-low heat.

  5. 05

    Add the 6 tbsp cold butter to the pot. Once it begins to melt, add the 2 cloves garlic (if using) and stir for 30 seconds until fragrant.

  6. 06

    Pour in ½ cup of the reserved pasta water and let it come to a gentle simmer, swirling the pot so the butter emulsifies into the water.

  7. 07

    Add the drained fettuccine and toss vigorously with tongs to coat every strand in the buttery liquid.

  8. 08

    Remove the pot from heat. Add the 1 ½ cups Parmigiano-Reggiano in three additions, tossing constantly between each addition so the cheese melts smoothly rather than clumping.

  9. 09

    Add splashes of the remaining pasta water as needed — a tablespoon at a time — until the sauce is glossy and clings to the fettuccine without pooling at the bottom.

  10. 10

    Season with ½ tsp black pepper and taste for salt. Serve immediately in warmed bowls with extra Parmigiano-Reggiano on the side.

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Adapted from public domain & community sources

Fettuccine Alfredo — Just Recipes