While osso buco is indelibly Milanese, the French classical kitchen adopted and refined the technique of braising cross-cut veal shanks, producing a distinctly French version that uses white wine and a blonde sauce rather than the Italian tomato-based approach, and finishes with a persillade (parsley and garlic) rather than gremolata. The French version emphasises the veal's delicacy and the extraordinary marrow within the bone — that trembling disc of richness that is the dish's ultimate reward, scooped out with a small spoon and spread on toast or stirred directly into the sauce. Select 4 veal shank cross-cuts (osso buco), each 4-5cm thick, with the marrow visible in the centre of the bone. Tie each piece around its circumference with kitchen string to prevent the meat from falling off the bone during braising. Season generously and dredge lightly in flour, shaking off excess. In a heavy casserole wide enough to hold the shanks in a single layer, brown them in a mixture of butter and oil over medium-high heat — 3-4 minutes per side until golden. The flour creates a light crust that also thickens the sauce. Remove the shanks. In the same pot, sweat diced onion, carrot, and celery (the standard mirepoix) for 8 minutes until soft. Add 200ml of dry white wine and reduce by half, scraping the fond. Add 500ml of veal or chicken stock, 2 tablespoons of tomato paste (less than the Italian version), a bouquet garni, a strip of lemon zest, and 2 cloves of garlic. Return the shanks, ensuring the liquid comes at least two-thirds up their sides. Cover and braise at 160°C for 2-2.5 hours, turning once at the halfway point. The meat should be tender enough to cut with a spoon but still clinging to the bone. The sauce should have reduced and thickened naturally from the flour coating and the marrow's melted fat. Remove the string. For the French persillade finish: combine 3 tablespoons of finely chopped flat-leaf parsley with 2 cloves of very finely minced garlic and the zest of a lemon. Scatter generously over the shanks just before serving. The lemon zest and parsley brighten the rich, unctuous braise, and the garlic provides a sharp counterpoint to the melting marrow. Serve with risotto à la française, pommes purée, or fresh tagliatelle. The marrow, trembling in its bone corridor, is served with a tiny spoon — it is the cook's gift to the diner.
Cross-cut veal shanks tied to hold shape. Flour dredge for light crust and sauce thickening. White wine and light tomato paste — blonde, not deeply tomato-red. Braise at 160°C for 2-2.5 hours, single layer, turned once. Persillade (parsley, garlic, lemon zest) scattered at serving — French gremolata. Marrow served in the bone with a small spoon.
A risotto made with the braising liquid (reduced and strained) creates a magnificent accompaniment that ties everything together. The hind shanks are meatier than the fore shanks and are the preferred cut. Saffron added to the braising liquid creates a golden, aromatic sauce variation. For individual portions, tie two thin-cut shanks together for a more dramatic presentation. The persillade can be prepared hours ahead and kept under a damp cloth.
Stacking shanks in the pot — they must be in a single layer for even cooking. Not tying, which causes meat to fall off the bone. Too much tomato, which overwhelms the veal's delicacy. Braising too long until the meat falls completely off the bone — it should still cling. Not providing small spoons for the marrow, which is the dish's centrepiece.
Larousse Gastronomique