Dinner · Italian

Butter and Parmesan Fettuccine

Butter Parmesan fettuccine recipe with a glossy no-cream sauce, finely grated cheese, starchy pasta water and heat-control tips for four.

Prep
10 min
Cook
15 min
Total
25 min
Serves
4 servings
Broad fettuccine ribbons coated in glossy butter and Parmesan sauce in a ceramic bowl
AI-generated illustration; it represents the intended dish and does not document a cooked batch. Original AI-generated illustration created for AI Love Food, separate from the adapted recipe text.

Cook it

Method

  1. Bring a large pot of water to a boil. While it heats, grate the cheese very finely and cut the softened butter into small pieces. Set out a large warm mixing bowl and tongs.

  2. Add the measured salt to the boiling water, then the fettuccine. Cook according to the packet, stirring to separate the ribbons. Taste a strand near the end: it should be tender with a little resistance at the centre.

  3. Scoop out at least 250 ml of the cloudy cooking water into a heatproof jug. Drain the pasta without rinsing it. Work promptly so the noodles stay hot.

  4. Put the hot noodles and softened butter into the warm bowl. Add about 60 ml of the reserved water and toss until the butter melts and coats the pasta. Keep the bowl off direct heat.

  5. Add the finely grated cheese in three additions, tossing continuously between additions. Add reserved water a tablespoon at a time until the sauce looks glossy and clings to the noodles. You may not need all of it. If the bowl has cooled too much, set it briefly over the warm pasta pot and keep tossing; do not boil the sauce.

  6. Taste after all the cheese is incorporated, then adjust salt if needed. Divide between four warm bowls and serve immediately. The sauce thickens as it stands, so loosen it with another small splash of reserved water before serving if necessary.

Make it work

Useful substitutions

  • Tagliatelle works in place of fettuccine at the same weight. Use its package cooking time rather than assuming all pasta takes the same time.
  • Another finely grated hard cheese will change both flavour and saltiness. Add it gradually and taste before adding extra salt. Check the rennet if choosing cheese for a vegetarian diet.
  • This formula relies on butter and hard cheese. Plant-based replacements do not necessarily emulsify the same way and are not a like-for-like change.

Keep it well

Storage and reheating

  • This sauce has its smoothest texture immediately after tossing. Refrigeration can make the butter set and the sauce separate on reheating.
  • Refrigerate leftovers in shallow covered containers within 2 hours; under USDA FSIS guidance, use within 3 to 4 days or freeze promptly.
  • Reheat a portion gently with a splash of water, stirring often until it reaches 74°C throughout. Add water gradually to loosen the sauce; the texture may be less smooth than when fresh.

Recipe notes

Sources and cooking notes

Finely grated cheese, starchy water and gentle heat make the sauce. Have the butter and cheese ready before draining the pasta, then toss immediately while the noodles are hot. Timing is an estimate and depends on the pasta and how quickly the water boils.

Cooking tips and troubleshooting

Why finely grated cheese matters

A fine grater creates small shreds that disperse quickly. Large flakes take longer to melt and can collect in clumps. Bagged grated cheese may behave differently because of its coating; a freshly grated block gives you more control.

If the sauce looks greasy or grainy

Take it away from direct heat. Add a tablespoon of warm reserved pasta water and toss vigorously, then reassess. Too much heat can tighten the cheese into clumps. Avoid adding a large amount of water at once, which can leave a thin puddle under the noodles.

Scaling this recipe

Use the serving calculator for the ingredient ratio, but choose a bowl large enough to toss the noodles freely. For a much larger batch, mix in portions. Water absorption and sauce consistency vary, so the reserved water is an allowance, not a quantity that must all be used.

Serve it at its best

Warm the bowls and finish the rest of the meal before draining the pasta. Once the butter and cheese are emulsified, portion the fettuccine straight away; the sauce tightens as it stands. If it sits briefly, add a spoonful of warm reserved pasta water and toss again before serving.

Recipe source and licence

Adapted by AI Love Food from Cookbook:Alfredo Sauce by Wikibooks contributors (contributor history). This adapted recipe text is available under CC BY-SA 4.0. The image is credited separately.

Adapted from Cookbook:Alfredo Sauce. Retains the source metric amounts of pasta, butter and cheese and its four-serving yield. Adds a measured starting amount of cooking-water salt, reserves extra pasta water, expands heat-control instructions, estimates preparation and cooking time, and adds troubleshooting and storage guidance. Source nutrition and historical claims are omitted. The adapted recipe text is licensed under CC BY-SA 4.0; the separately generated illustration is not copied from Wikibooks.