La Rioja, Spain
La Rioja's most iconic dish — a simple stew of waxy potatoes, chorizo riojano, piquillos or fresh peppers, onion, garlic, and pimentón, cooked together in olive oil and water until the potato absorbs the paprika-fat from the chorizo and becomes deeply flavoured and slightly red-orange. The technique is the cascar la patata (breaking the potato) method: the potatoes are broken, not cut, which releases starch into the broth and gives the stew its characteristic slightly thickened, coating consistency. This is one of Spain's most beloved daily dishes — humble, deeply flavoured, and demonstrating the power of the cured sausage as a cooking ingredient.
Use a chorizo riojano (the fresh, semi-cured variety from La Rioja — firmer than commercial chorizo, less fatty). Break the potatoes rather than slicing — insert a small knife and twist rather than cut across cleanly. This breaking releases starch that thickens the broth. The pimentón is added to the hot oil before the liquid — 30 seconds maximum, then add the broth immediately. Do not stir too frequently — the potato pieces should hold their shape.
The dish is improved by a rest of 20 minutes after cooking — the starch continues to thicken and the flavours integrate. Some Riojan cooks add a bay leaf and a strip of dried guindilla pepper for background heat. Patatas a la riojana is the definitive accompaniment to a glass of Rioja Joven — the chorizo's paprika mirrors the wine's fruit and the potato's starch softens the wine's acidity. Serve with crusty bread.
Using commercial pre-sliced chorizo — the fat and flavour release differently. Cutting the potato cleanly — you lose the starch release. Over-stirring — the potato disintegrates. Not adding enough liquid — the stew should be slightly soupy, not dry.
The Food of Spain by Claudia Roden