Córdoba, Andalusia
Oxtail braised in red wine with aromatics and chocolate — one of Andalusia's great dishes, originating from the bullfighting tradition in Córdoba and Sevilla where the tail of the fighting bull was given to the matador and ended up in the tabernas of the Judería. The dish takes two days: the oxtail is browned hard on day one, braised for 3-4 hours in Pedro Ximénez or Montilla-Moriles wine, then rested overnight, which allows the fat to set and be removed and the flavours to integrate. The result is oxtail so tender it releases from the bone with the pressure of a spoon, in a sauce that is dense, dark, wine-rich, and barely sweet from the dark sherry.
Brown the oxtail in batches — never crowd the pot. Use Pedro Ximénez or a full-bodied red wine (Rioja, Ribera del Duero). The braise requires 3-4 hours at a low simmer — never a boil. Rest overnight in the refrigerator and remove congealed fat. Pass the sauce through a sieve, reduce if needed to achieve coating consistency. A small amount of dark chocolate (85%+) added at the end rounds the sauce.
The dish improves significantly on day two and again on day three — make it Friday for Sunday. The Pedro Ximénez version (Rabo de toro al PX) is more complex and Andalusian than the standard red wine version. Serve with fried potatoes or creamy potato purée — the sauce needs a vehicle. Pair with Ribera del Duero Reserva.
Not browning aggressively enough — pale oxtail produces a weak sauce. Boiling instead of simmering — toughens the collagen before it can convert to gelatin. Serving the same day — overnight rest is not optional. Using young wine — the dish requires a full-bodied wine with tannin.
The Food of Spain by Claudia Roden