Carbonara

Four ingredients and no cream. Carbonara is a sauce made from egg yolk, hard cheese and rendered pork fat, held together by starchy pasta water and the residual heat of the pasta itself. Nothing in it is cooked in the usual sense: the egg thickens, it does not set. Everything that goes wrong with this dish goes wrong at the moment the two meet.

Ingredients

Serves 2.

	Metric	Imperial
Spaghetti or rigatoni	200 g	7 oz
Guanciale, in short thick batons	100 g	3.5 oz
Egg yolks	4	4
Whole egg	1	1
Pecorino romano, finely grated	60 g	2 oz
Black pepper	a lot	a lot

Guanciale is cured pig cheek. It is fattier, softer and more strongly flavoured than anything else you might reach for, and rendering it is where most of the seasoning in the dish comes from. In Rome it is not optional and the substitution question does not arise; if you cannot get it, you are making something else, and that something else is worth eating but should not be called carbonara.

Method

1. Put the pasta on in well-salted water. From here everything is timed against it.
2. Render the guanciale in a cold dry pan over medium heat. Cold, so the fat comes out slowly rather than the outside burning first. It is done when the fat runs clear and the batons are crisp at the edges and still soft in the middle, about 8 minutes. Take the pan off the heat.
3. Beat the yolks, the whole egg and the pecorino together with a great deal of black pepper. It should be a thick paste, not a liquid.
4. Drain the pasta a minute early, keeping a mugful of the water. Tip the pasta into the guanciale pan, off the heat, and toss it in the fat.
5. Wait. The pan needs to stop being hot enough to scramble egg. Thirty seconds to a minute.
6. Add the egg mixture and toss hard, adding pasta water a spoonful at a time until the sauce turns glossy and coats every strand. It should move slowly when you tilt the pan.

What goes wrong

It scrambles. The pan was too hot when the egg went in. There is no recovery. The fix is patience at step 5: a pan that still hisses when you add water is too hot for egg.

It stays watery and slides off the pasta. Not enough cheese, or too much water added too fast. The emulsion needs the fat and the cheese to hold it, and water is the thinner rather than the base.

It seizes into a lump. Too little water, and the cheese has gripped. Add more pasta water off the heat and keep moving.

Why it works

The pasta water is not water. It carries dissolved starch, and starch is what lets fat and egg hold together without separating. That is why you never drain the pasta away first and never rinse it. The emulsion is the same physics as a hollandaise, held at a lower temperature and with pork fat instead of butter.

At the table

A primo, and in Rome an ordinary weekday one rather than an occasion. It arrives straight from the pan onto a warm plate and it is eaten immediately, because a carbonara that has sat for five minutes has tightened and cannot be loosened again.

Nothing is served on the side. If there is a secondo it comes afterwards on its own plate, which is how an Italian menu is built: the pasta is a course, and it is never the accompaniment to anything.

More pecorino at the table is normal and nobody will mind. Cream is the thing that will be noticed, and asking for it in Rome is close to a party trick.

The wine is usually whatever is open and local, a white from the Castelli or a light red. The dish is rich and salty and does not want anything complicated poured next to it.

Bread is on the table but the sauce is not for mopping. It clings to the pasta by design, and a plate that leaves enough behind to wipe up was a plate that broke.

What an Italian would say

That there is no cream in it, and they would be right. That pecorino belongs in it rather than parmigiano, which is the Roman position and is worth following here. And, watching you, that you are being far too gentle with the pepper.