What Wine Goes With Spaghetti in Tomato Sauce?

A high-acid Italian red, and Sangiovese before anything else. Chianti is the dependable answer, Barbera the best-value one, Montepulciano d’Abruzzo the weeknight one.

Marinara is one of the few dishes where the pairing is close to mechanical. Citric acid is the dominant acid in a ripe tomato, and it sets a bar your palate then judges the glass against: clear it and the wine holds its shape, fall short and the wine goes soft, sweetish and dull. What changes from one pot to the next is not really the acidity — it is how much savour has been concentrated alongside it.

Four bottles, and when to open each

How long did the sauce cook?

One rule holds throughout: the wine needs at least as much acidity as the dish. Your palate judges a wine against whatever it tasted last, not in isolation, and a wine that undershoots the sauce reads as flabby while the sauce reads as harsh. Past that, the length of the simmer moves the answer.

Twenty minutes, or barely cooked at all. Sharp, bright, unmistakably fruit. This version wants the highest-acid bottle on the table — Chianti, or a Sangiovese rosato straight from the fridge if it is July.

Two hours. Darker, rounder, more savoury. Reducing a sauce concentrates its glutamate along with everything else, and glutamate is what makes tannin taste harsh, so keep the tannin low and let the fruit get riper. Montepulciano d’Abruzzo, or Barbera.

With sausage, pancetta or ’nduja. Fat and salt change the arithmetic, because both make a wine taste softer and fruitier than it does on its own. This is the only version of the dish that will take a firmer red without punishing you for it.

Two Montepulcianos, one word

Two wines share this name and they have nothing to do with each other.

Montepulciano d’Abruzzo is made from the Montepulciano grape and must be at least 85% of it, grown on the Adriatic side of the country in Abruzzo. It is soft, plummy and cheap, and it is the bottle you want.

Vino Nobile di Montepulciano is made in the Tuscan hill town of Montepulciano, some 200km inland across the Apennines, and must be at least 70% Sangiovese — called Prugnolo Gentile there. The Montepulciano in its name is the town, not the grape. It is also several times the price. Both work with tomato sauce; only one of them is a weeknight purchase, so read the label for whether it names a grape or a place.

Where the pairing breaks

Sugar, wherever it came from. Most jarred sauces carry added sugar and plenty of cooks add a pinch to tame the sharpness. It works on the sauce and it costs you the wine: sweetness in food is the component that most reliably makes a dry red taste thinner, more astringent and less fruity. Taste before you pour, and if the sauce is noticeably sweet, go softer and riper than the rule would suggest.

Anything big, ripe and heavily oaked. A 14.5% Cabernet or Shiraz brings firm tannin to a dish with plenty of savour and too little fat to absorb it, and the oak sits awkwardly on the basil.

Change the sauce and you change the answer. Stir cream into it and the acidity drops away, which opens the door to a rounder red or even a white. Take the tomato out altogether — aglio e olio, cacio e pepe — and you should be reaching for a crisp white instead.