Spaghetti alla Carbonara (Roman Pasta with Guanciale and Pecorino)

Among Rome’s best-known pastas, spaghetti alla carbonara turns a short list of ingredients into a rich, glossy dish with real precision. Crisp guanciale provides savoury depth and rendered fat, while eggs, Pecorino Romano and black pepper form the creamy coating — without cream. The defining technique is gentle emulsification: hot pasta is tossed off the heat so the egg mixture thickens into a silky sauce rather than scrambling. Served immediately, it has the satisfying bite of al dente spaghetti, salty cured pork and the sharp, peppery finish that makes carbonara so distinctive.
Cuisine style Roman pasta
Time commitment Under 30 minutes

Why this recipe works

  • Classic Roman method: The sauce is formed by tossing eggs, Pecorino Romano and pasta water off the heat, rather than adding cream.
  • Deep savoury flavour: Rendered guanciale fat coats the spaghetti, while Pecorino Romano and black pepper add sharpness and warmth.
  • Silky sauce: Starchy pasta water helps emulsify the egg and cheese mixture into a glossy coating.
  • Fast but precise: The dish comes together quickly once the guanciale is crisp and the pasta is cooked al dente.

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Authenticity notes

  • Roman style: Carbonara is closely associated with Rome and is typically made with guanciale, Pecorino Romano, eggs and black pepper.
  • No cream needed: The creamy texture comes from emulsifying egg, cheese and pasta water, not from adding dairy cream.

Common mistakes

  • Avoid scrambled eggs: Take the pan off the heat before adding the egg mixture and toss constantly so the residual heat thickens the sauce gently.
  • Add pasta water gradually: Use the reserved pasta water a little at a time; too much at once can loosen the sauce before it emulsifies.
  • Keep the pasta al dente: The spaghetti is tossed again with hot fat and sauce, so cooking it just to al dente keeps the final texture firm.

Ingredient notes

  • Guanciale gives the richest flavour: Guanciale has a distinctive cured pork flavour and renders into a deeply savoury fat that defines the dish.
  • Pancetta is a useful alternative: Pancetta can replace guanciale, though the finished carbonara will be a little less rich and less traditionally Roman.
  • Use a bold grating cheese: Pecorino Romano gives the sauce its salty, sharp character; Parmesan makes a milder, nuttier version.

Timing notes

  • Serve immediately: Carbonara is at its best as soon as the sauce turns glossy, before it thickens and the guanciale softens.
  • Best eaten fresh: Leftovers can be reheated gently with a little water, but the sauce is most stable and silky when freshly made.

Equipment you'll need

Ingredients
Instructions
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  1. Bring a large pot of water to the boil and season it with 1.5 tsp of the fine sea salt. In a mixing bowl, whisk the eggs with the Pecorino Romano cheese and black pepper until smooth and thick. Set aside at room temperature.
  2. Cut the guanciale into small lardons. Warm the extra virgin olive oil in a large frying pan over medium heat, then add the guanciale and cook for 6 to 8 minutes, stirring, until golden and crisp and the fat has rendered. Turn the heat to low to keep it warm without browning further.
  3. Cook the spaghetti in the boiling water until al dente. Just before draining, scoop out about 150 ml of the pasta water. Drain the spaghetti well.
  4. Add the hot spaghetti to the pan with the guanciale and toss to coat in the rendered fat. Take the pan off the heat and wait 30 seconds so it stops sizzling. Add the egg and cheese mixture and toss vigorously with tongs, adding a splash of reserved pasta water a little at a time until the sauce turns glossy and coats the pasta.
  5. Taste and season with the remaining 0.5 tsp fine sea salt only if needed. Serve straight away, finishing with a little extra black pepper if you like. The sauce should be silky, not scrambled.

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Recipe notes

Tips

  • Keep the pan off the heat when you add the egg mixture, and toss constantly; the residual heat and pasta water will thicken the sauce gently.
  • Reserve pasta water before draining: the starch helps the sauce emulsify and stay glossy.
  • If serving anyone who should avoid raw or lightly cooked eggs, use pasteurised eggs and make sure the sauce is heated through gently while tossing until steaming hot.

Substitutions

  • Replace Pecorino Romano cheese with Parmesan for a slightly milder, nuttier finish.
  • Replace guanciale with pancetta for a similar cured pork flavour, though it will be less rich.

Storage

  • Refrigerate up to 1 days
  • Carbonara is best eaten immediately. If you have leftovers, cool quickly and refrigerate; reheat gently in a frying pan with a splash of water, tossing until piping hot, and avoid high heat to prevent the eggs splitting.

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Spaghetti alla Carbonara (Roman Pasta with Guanciale and Pecorino)
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Recipe overview

  • Servings: 2 servings
  • Total time: 25min (20min active)
  • Difficulty: Medium
  • Cuisine: Italian
  • Allergens:
    Eggs Gluten Milk Wheat
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