Spaghetti Carbonara
Updated: 2 days ago
By Chef Jon Ashton | Published October 29, 2025
Why you'll love it: silky without cream · ready in 15 minutes · two cheeses, perfect balance · no scrambled eggs.
Tested in my kitchen · As seen on TODAY and The Tonight Show · Parade magazine's chef for 10 years · About Chef Jon →
Before you start: This recipe uses two skills from my Kitchen School. New to either? Each lesson takes about five minutes to read. Parmigiano-Reggiano · Freshly ground pepper
Spaghetti Carbonara
Serves 4
Time: 15 minutes
Level: Medium
Equipment: Stock Pot, Stainless Steel Frying Pan, and Rasp Grater.
Ingredients
3 large eggs plus 2 large yolks
1½ ounces finely grated Pecorino Romano, plus extra for serving
1 ounce finely grated Parmesan
1 teaspoon freshly ground black pepper, plus extra for serving
1 quarter teaspoon table salt, plus more for the pasta water
4 ounces guanciale, cut into half-inch chunks
2 tablespoons extra virgin olive oil
1 pound spaghetti
Instructions
Prepare the base: Bring a large pot of well-salted water to a steady boil. In a bowl, whisk the eggs, yolks, Pecorino, Parmesan, pepper, and salt until smooth and creamy. Set aside. You'll know it's right when the egg and cheese mixture is smooth and creamy, with no lumps of cheese left.
Cook the guanciale: Warm the olive oil in a skillet over medium heat. Add the guanciale and cook, stirring often, until the fat renders and the meat turns golden at the edges. Remove the pan from the heat but keep every drop of that beautiful fat. You'll know it's right when the guanciale is golden at the edges and sitting in a pool of clear, rendered fat.
Cook the pasta: Add the spaghetti to the boiling water and cook until just al dente. Reserve half a cup of the starchy cooking water, then drain. Scoop out the pasta water before you drain. Its starch is what helps the eggs and fat turn into a glossy sauce.
Bring it together: Return the pasta to the warm pot. Add the guanciale and its rendered fat and toss gently to coat every strand. Whisk a quarter cup of hot pasta water into the egg mixture to temper it, then pour it over the pasta off the heat. Toss and fold quickly until the sauce thickens and turns glossy. If it tightens, add a spoonful or two of reserved water until it looks like silk. You'll know it's right when the sauce clings to every strand, glossy and smooth like silk. If the eggs start to look grainy, the pot is too hot. Keep it off the heat, add a spoonful of the reserved pasta water and keep tossing.
To serve: Pile into warm bowls and scatter with extra Pecorino and black pepper. Serve immediately, before the magic fades.
How to Store
Best fresh: Carbonara is a fleeting pleasure and is at its silky best the moment it is made.
Fridge: If you do have leftovers, seal them in an airtight container and refrigerate for up to three days.
Reheat: Warm gently with a splash of water to loosen the sauce. It won't be quite the same, but it is still lovely.
Why This Works
Carbonara is an exercise in trust. The heat from the pasta alone is enough to coax the eggs into cream without curdling them. The starch from the water and the fat from the guanciale create an emulsion that gives the sauce its quiet sheen. Every element matters: the salt of the pork, the sharpness of the cheese, the timing that holds it all together.
Key Ingredients
Guanciale: The real deal: its rendered fat coats every strand and gives carbonara its savoury, salty depth; pancetta or bacon will do in a pinch.
Eggs and Egg Yolks: Tossed off the heat, they thicken into a silky sauce with no cream at all; use them at room temperature, never cold.
Pecorino Romano: Sharp and salty, it brings the bold edge that cuts through the richness.
Parmesan: Rounder and softer, it smooths Pecorino's edges for a perfectly balanced sauce.
Freshly Ground Black Pepper: A generous amount is essential, giving carbonara its warmth and its signature speckle.
Spaghetti: Long, slippery strands catch the sauce beautifully, and the pasta's heat is what turns the eggs to cream.
Starchy Pasta Water: Its starch helps the eggs and fat come together into a glossy, clingy sauce.
Common Mistakes to Avoid
Adding the eggs over the heat: they scramble, so take the pot off the heat and let the warmth of the pasta do the work.
Draining away all the pasta water: scoop some out before you drain, because its starch is what makes the sauce glossy.
Skipping the tempering: whisk a little hot pasta water into the egg mixture first so it warms gently before meeting the pasta.
Using cold eggs: room-temperature eggs blend into the sauce smoothly, while cold ones can make it seize.
Pre-grated cheese from a bag: grate it fresh and finely, so it melts into silk instead of turning lumpy.
Letting it sit: carbonara waits for no one, so pile it into warm bowls and serve straight away.
Tips for Success
Whisk the eggs and cheeses until smooth, with no lumps of cheese left, before you start the pasta.
Keep every drop of the rendered guanciale fat; it is part of the sauce.
If the sauce tightens, loosen it with a spoonful or two of reserved pasta water until it looks like silk.
Serve in warm bowls with extra Pecorino and black pepper.
Spaghetti Carbonara vs Alfredo
Ah, the old confusion. Alfredo is the rich uncle who wears too much cologne and always brings cream to the party. Carbonara, by comparison, is leaner, smarter, more dangerous. Alfredo leans on butter and heavy cream, thick and indulgent. Carbonara uses eggs, cunningly, to achieve that silk without the weight.
One fills you up. The other seduces you. Both have their place, but only one will make you close your eyes halfway through the bowl and sigh.
Ingredients
Spaghetti
You can dress it up all you like, but Carbonara was always meant for spaghetti. Those long, slippery strands are built to catch the sauce in the way silk clings to skin. Linguine, fettuccine, even bucatini will do in a pinch, but spaghetti is the one that feels like it belongs, simple, loyal, dependable.
Eggs
This is where the magic happens. Room temperature eggs, never cold, or the whole illusion collapses. They thicken, they bind, they flirt dangerously with heat without ever becoming breakfast. It is the kind of balancing act that separates cooks from chancers, turning fat and yolk into something that feels sinful and pure at once.
Parmesan
Or Pecorino if you want to be proper about it. Real cheese, freshly grated, nothing from a bag that smells faintly of dust and disappointment. The cheese is what gives Carbonara its edge, its whisper of sharp salt that cuts through the richness like wit at a dull dinner party. Add it slowly, with patience, and it rewards you with silk instead of sludge.
Guanciale
Guanciale is the real deal, bacon's older, moodier cousin. Pancetta will do, and bacon will get you there if you are desperate, but guanciale has that unmistakable savoury swagger. Its fat melts into the pan and perfumes the air like a promise.
Pecorino and Parmesan
I use both, not out of indecision, but because together they strike the perfect balance. Pecorino brings the bold, salty authority of Rome, while Parmesan smooths its edges with quiet grace. Freshly grated, of course, nothing from a bag that smells faintly of dust and compromise. These cheeses are the backbone of Carbonara, the sharp wit that keeps the dish from slipping into self-indulgence. Add them slowly, a snowfall at a time, and watch as the sauce turns from liquid gold to silk. Patience here is not optional; it's the difference between poetry and porridge.
Frequently Asked Questions
Can I use a different kind of pasta?
Spaghetti is the original, the one that understands the sauce instinctively, but yes, linguine, fettuccine, or bucatini will do the job with a touch of charm. What matters is the conversation between the pasta and the sauce. They must speak the same language.
Will I end up with scrambled eggs?
Ah, the great fear, breakfast masquerading as dinner. Scrambled eggs happen when impatience takes over. Heat is the enemy here. Take the pan off the flame, let the pasta sit for a moment, then add your egg mixture to the centre and toss like you mean it. The sauce will cling, not curdle.
How can I store leftovers?
The truth is, Carbonara is a fleeting pleasure. It was never meant to be reheated, never meant to survive the night. But if you must, seal it in an airtight container, tuck it into the fridge for up to three days, and when you bring it back, add a splash of water to loosen it. It will not be the same, but then again, neither are we.
Can you make Spaghetti Carbonara without cream?
Yes, and you should. Cream is the gatecrasher at this particular party. Traditional Carbonara is all about eggs, cheese, and a little pasta water, an act of culinary faith that needs no dairy reinforcement.
What cheese is best for Carbonara?
Pecorino Romano is the soul of the dish, sharp and salty with a Roman attitude. Parmesan, on the other hand, is its gentler cousin, rounder, softer, the diplomat of the cheese world. A blend of the two often makes for peace on the plate.
How do you prevent scrambled eggs in Spaghetti Carbonara?
Timing, confidence, and a little grace. Remove the pan from the heat before adding the eggs, and stir as if you are coaxing rather than cooking. Listen to the pasta, it will tell you when the sauce has become silk.
Can I use spaghetti alternatives in Carbonara?
You can, though some Italians might sigh at you. Fettuccine, bucatini, and even gluten-free options will take the sauce, but they will not hold it quite as tenderly. Still, the heart of Carbonara forgives improvisation, provided you do it with respect.
Is pancetta or bacon better for Carbonara?
Guanciale is the original, pancetta the polite understudy, and bacon the stand-in that shows up uninvited but still steals a scene. Each brings its own story, but it is the rendered fat that matters most, that golden savoury gloss that makes Carbonara what it is, indulgence masquerading as simplicity.
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If you enjoyed this recipe, you might also love Ragu alla Bolognese, Pasta Puttanesca, Penne Alla Vodka, Spaghetti Vongole, and Best Italian.
Two ingredients make or break carbonara. Read my Parmigiano-Reggiano tips and my guide to freshly ground black pepper.
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Ready in 15 minutes with just 8 ingredients. This ultra-easy pasta is packed with crispy guanciale and rich Parmesan flavor. Perfect for a quick, satisfying meal!
Why Spaghetti Carbonara Is the Most Seductive Dish Ever Invented
(A Love Letter to Eggs, Pork, and the Quiet Art of Restraint)
There are dishes that arrive with fanfare and fireworks, and then there is Carbonara. It wanders in without a fuss, a plate of beige noodles and modest sauce, pretending to be nothing more than Tuesday supper. But take a bite, and the world briefly forgets to spin. Carbonara is deceit dressed as simplicity, eggs, cheese, pork, pasta, all pretending to behave while secretly conspiring to ruin you for lesser meals.
It does not shout. It purrs.
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