Spaghetti alla Carbonara
Real carbonara is just pasta, egg, cured pork, hard cheese, and black pepper — no cream. The sauce is an emulsion of egg yolk, cheese, and starchy pasta water, and the whole trick is building it with residual heat so the eggs turn silky instead of scrambled.
Ingredients
- 1 lb / 450g spaghetti — or rigatoni or tonnarelli
- 6 oz / 170g guanciale — cured pork jowl; pancetta is the best substitute (skip prosciutto — it won’t render and crisp)
- 4 large egg yolks
- 2 whole eggs
- 1 1/2 cups / 150g Pecorino Romano — finely grated; use half Pecorino and half Parmigiano-Reggiano for a milder sauce
- Freshly ground black pepper — a generous amount
- Salt — for the pasta water; go light, since the pork and cheese are already salty
Instructions
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Make the egg base. In a large bowl, whisk the egg yolks, whole eggs, and most of the cheese (save a handful for finishing) with a heavy grind of black pepper until smooth. Set aside at room temperature, away from any heat.
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Render the guanciale. Add the diced guanciale to a cold, dry pan and cook over medium heat until the fat renders out and the pieces are golden and crisp, about 8 minutes. Turn off the heat and leave the guanciale and its fat in the pan.
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Cook the pasta. Boil the pasta in lightly salted water until al dente. Just before draining, scoop out at least 1 cup of the starchy cooking water. Drain the pasta but don’t rinse it.
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Coat in the fat. Add the drained pasta to the pan with the guanciale and toss to coat in the rendered fat. Let it sit about 30 seconds so it’s hot but no longer scorching — keep the pan off the heat.
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Temper the eggs. Whisk a splash of the hot pasta water (about 1/4 cup) into the egg mixture to warm it gently. This tempers the eggs so they won’t scramble when they hit the pasta.
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Bring it together — off the heat. Pour the egg mixture over the pasta and toss quickly and constantly. The residual heat cooks the eggs into a glossy, creamy sauce that clings to every strand. Loosen with more pasta water, a tablespoon at a time, until it’s silky and pourable.
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Serve immediately. Plate right away and finish with the reserved cheese and more black pepper. Carbonara firms up as it cools, so don’t let it sit.
Keys to a Silky, Un-Scrambled Sauce
- No direct heat once the eggs go in. The pan must be off the burner — residual warmth is all you need.
- Temper first. Warming the eggs with a little pasta water is your safety net against scrambling.
- Pasta water is the sauce. Its starch emulsifies the egg and cheese and lets you dial in the consistency.
- Keep everything moving. Toss constantly while combining so the eggs heat evenly.
- No cream. A proper carbonara gets all its silkiness from egg and cheese alone.