Valle d'Aosta — the dish is closely related to the French carbonade and reflects the valley's historical position on the Great St Bernard Pass trade route. Documented in Valdostan cooking sources from at least the 18th century.
Carbonada is the defining meat preparation of the Valle d'Aosta: thin-sliced beef (typically venison or beef topside in the traditional version) braised slowly in the mountain red wine of the valley — Torrette DOC or Enfer d'Arvier — with onion, lard, cinnamon, cloves, and bay. The result is dark, deeply savoury, and perfumed with Alpine spice. It is served over polenta — the corn polenta of the valley absorbing the wine-dark sauce. The dish reflects the valley's cold winters and its connections to both French Savoyard and Swiss Alpine cooking traditions.
The wine-reduced sauce is dark, complex, and carries a pleasant bitterness from the tannins — the cinnamon and cloves give an Alpine spice warmth that distinguishes this from any other Italian braised beef. Over polenta, the two elements — sauce and starch — form a complete, cold-weather meal of great satisfaction.
Brown thin-sliced beef (5mm slices, floured) in lard in a wide pan until deeply coloured. Remove, cook diced onion in the same fat until golden. Return the meat, add enough Valdostan red wine to nearly cover, add cinnamon stick, cloves (3-4), bay leaves. Braise at a low simmer, uncovered or partially covered, for 45 minutes to 1 hour until the sauce has reduced to a syrupy, wine-dark consistency and the meat is completely tender. The sauce should coat the back of a spoon. Season with salt only at the end. Serve over soft polenta.
The Valdostan mountain reds are not always available outside the valley — a Dolcetto d'Asti or a young Barbera makes a reasonable substitute. Thin-sliced beef is traditional; it cooks quickly and the flour coating thickens the sauce naturally. The cinnamon and cloves reflect the medieval spice trade that moved through the Alpine passes — the same spicing found in French daube and Flemish waterzooi.
Not reducing the wine sufficiently — the sauce must concentrate; a thin, wine-forward sauce is too astringent. Using an assertively tannic wine — the mountain reds of the Aosta valley (Torrette, Enfer) are elegant and not heavy; a Barolo or Amarone overpowers. Skipping the lard for butter — lard is traditional and its flavour is essential.
Slow Food Editore, Valle d'Aosta in Cucina; Giorgio Locatelli, Made in Italy