Roman carbonara is a pasta dish from Lazio, Italy, made with guanciale, eggs, Pecorino Romano, black pepper, and hot pasta. Its rich, silky coating comes from combining cheese and eggs with starchy pasta water rather than adding cream, and regional cooks vary the proportions to suit their taste.
Ingredients
- 12 oz (340 g) dried spaghetti or rigatoni
- 6 oz (170 g) guanciale, cut into small strips or cubes
- 3 large eggs (about 150 g without shells), plus 1 large egg yolk (about 18 g)
- 1 cup (90 g) finely grated Pecorino Romano, plus a little more for serving
- 1 tsp (2 g) freshly ground black pepper, or more to taste
- 3 qt (2.8 L) water, for cooking the pasta
- 2 tsp (10 g) fine sea salt, for the pasta water
- 1 cup (240 ml) reserved pasta water; you may not need all of it
Instructions
- Prepare the ingredients. Cut the guanciale into strips about ¼ inch (6 mm) thick. Grate the Pecorino finely so it melts readily, and set a large heatproof bowl over a saucepan to check that it will sit securely without touching the water below. Bring a separate large pot of water to a boil.
- Render the guanciale. Put the guanciale in a cold skillet, then set the skillet over medium-low heat. Cook for 7–8 minutes, turning the pieces now and then, until the fat has rendered and the edges are golden and crisp. Lower the heat if the fat smokes or the meat browns too quickly. Take the skillet off the heat and leave the guanciale in its fat.
- Mix the egg and cheese. In the heatproof bowl, whisk the eggs and yolk until combined. Stir in the Pecorino and black pepper. The mixture will be thick; that is normal. Set the bowl aside while the pasta cooks. Bring the saucepan beneath it to a very gentle simmer, adding a little water if needed, but do not let the bowl touch the water.
- Cook the pasta. Add the salt to the boiling water, then cook the spaghetti according to the package directions until just al dente, usually 9–12 minutes. Before draining, scoop out at least 1 cup (240 ml) of pasta water. Drain the pasta, but do not rinse it; the starch clinging to it helps the sauce come together.
- Combine the pasta and guanciale. Add the drained pasta to the skillet with the guanciale. Toss well to coat it in the warm fat. If the skillet has cooled completely, warm it briefly over low heat, then remove it from the burner. Add 2 tablespoons (30 ml) of hot pasta water and toss again. The pasta should be hot, but the pan should not be sizzling when the eggs are added.
- Make the sauce gently. Transfer the pasta and guanciale to the bowl with the egg mixture. Set the bowl over the gently simmering saucepan and toss continuously, scraping the sides and bottom, until the sauce thickens and reaches 160°F (71°C) on a food thermometer; USDA FSIS gives 160°F (71°C) as the safe minimum for egg dishes. Keep the heat gentle and lift the bowl off the saucepan briefly if the sauce begins to look grainy. Add pasta water a tablespoon at a time until the sauce clings to the noodles in a glossy coating. Serve at once.
Tips
- Use the right cut if you can. Guanciale is cured pork jowl with a distinctive, rich flavor. It is available at some Italian grocers and specialty food counters. Pancetta is the closest practical substitute and is usually a little milder; unsmoked bacon works in a pinch but adds a noticeable smoky flavor that changes the dish.
- Grate the cheese finely. Finely grated Pecorino blends more evenly than thick shreds. If it clumps in the egg mixture, loosen it with a teaspoon of pasta water before adding the pasta. Pecorino Romano is salty and sharp; Parmesan can replace some or all of it for a milder, less traditional flavor.
- Control the heat to avoid scrambled eggs. The bowl-over-simmering-water method gives you more control than putting the eggs directly into a hot skillet. Keep tossing and check the temperature with a clean food thermometer. If the sauce thickens before it reaches 160°F (71°C), adjust the simmer and continue stirring gently rather than turning up the heat.
- Salt with the cheese in mind. Guanciale and Pecorino are both salty, so the measured salt is for the pasta water, not the sauce. Taste a noodle before adding any extra salt at the table. Save enough pasta water before draining; once the pot is empty, it is difficult to recreate its starchy texture.
Serving Suggestions
Serve carbonara immediately in warmed bowls, while the sauce is glossy and loose. Finish each portion with a little extra Pecorino and freshly ground black pepper. A simple green salad dressed with olive oil and vinegar makes a crisp contrast to the rich pasta. You can also serve steamed or sautéed greens, such as broccoli rabe or spinach, on the side. Keep the accompaniments simple so they do not compete with the salty pork, cheese, and pepper.
Carbonara is filling, so a modest portion alongside vegetables is often enough for a complete meal. If serving bread, choose a small amount of plain crusty bread to help catch any sauce left in the bowl. Avoid adding cream to the pasta at the table: the classic sauce gets its texture from eggs, cheese, rendered pork fat, and pasta water. Since the noodles continue to absorb sauce as they sit, bring the bowls to the table as soon as they are ready.
Variations
Carbonara has regional and household variations, including differences in the balance of whole eggs and yolks, the amount of cheese, and whether cooks use spaghetti, rigatoni, or another pasta shape. Spaghetti is a familiar Roman choice, while rigatoni’s ridges and open centers hold the sauce well. Keep the core ingredients and method intact if you want the recognizable Roman-style flavor.
If guanciale is unavailable, use the same quantity of pancetta. For a more pronounced smoky note, use bacon, understanding that it will taste different from the Roman original. A blend of Pecorino Romano and Parmesan can soften the sharpness of the sauce; try half of each by weight. For a stronger pepper flavor, increase the black pepper gradually, tasting as you go. Adding peas, mushrooms, onion, or cream is common in some adaptations, but those ingredients create a different style rather than the simple classic described here.
Storage and Reheating
Carbonara is best eaten as soon as it is made because the sauce thickens as it cools and the pasta continues to absorb moisture. If you have leftovers, refrigerate them within 2 hours in a shallow, covered container. They keep for 3–4 days in the refrigerator, though the texture will be less silky than when freshly cooked. Do not leave the pasta at room temperature for an extended period.
Reheat a portion in a skillet over low heat with 1–2 tablespoons (15–30 ml) of water, stirring often to loosen the sauce. Heat leftovers to 165°F (74°C), checking with a food thermometer, and serve promptly. A microwave also works: cover the dish loosely, heat in short bursts, and stir between bursts with a splash of water. The sauce may become thicker or slightly uneven after reheating; adding more cheese will not restore the original texture as reliably as a little water and gentle heat. For that reason, make only what you expect to eat when a freshly made, silky sauce is the priority.
Frequently Asked Questions
Does traditional carbonara contain cream?
The Roman-style version is made without cream. Eggs, grated Pecorino, rendered guanciale fat, and starchy pasta water create the coating. Cream appears in some modern or regional adaptations, but it is not needed for this recipe and changes the texture and flavor.
Can I make carbonara with bacon instead of guanciale?
Yes. Use the same amount of bacon and render it slowly, just as you would the guanciale. Bacon is usually smoked, so expect a smokier result and possibly a saltier one. Taste before adding extra salt, and choose unsmoked bacon if you want a flavor closer to pancetta or guanciale.
Why did my carbonara turn grainy or scramble?
The pan or bowl was likely too hot, or the eggs were not stirred continuously while they thickened. Take the pan off direct heat before combining the pasta and egg mixture, then use a gentle simmer under the heatproof bowl. Add hot pasta water gradually and keep tossing. The sauce should thicken slowly rather than boil.
Can I make the sauce ahead?
It is better to grate the cheese, cut the guanciale, and whisk the eggs shortly before cooking, then finish the sauce just before serving. The assembled sauce does not hold well: it can thicken, separate, or turn firm as it cools. If you need to get ahead, prepare the measured ingredients separately and keep perishable ingredients refrigerated until you are ready to cook.
Which pasta shape is best for carbonara?
Spaghetti is a classic choice, but rigatoni, mezze rigatoni, and other sturdy shapes also work. The important detail is to cook the pasta until just al dente and reserve some cooking water. Long noodles are easy to toss into a smooth coating, while ridged shapes catch small pieces of guanciale and sauce.
Can I use Parmesan instead of Pecorino Romano?
Yes. Parmesan gives the sauce a gentler, less salty flavor than Pecorino Romano. You can substitute it in equal weight or use a mixture of the two cheeses. Grate it finely, and remember that changing the cheese moves the dish away from the sharper, sheep’s-milk character associated with Roman carbonara.
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