Pork and white beans turn up in some form across almost every region of Spain. It's home cooking at its plainest: cheap, filling, and built to feed a family through a working week. Knowing where that pairing comes from explains why it still works so well today.
Pork has sat at the centre of the Spanish rural diet for centuries, largely because it was practical rather than special. Most rural households kept a pig and, once a year, carried out the matanza, the traditional slaughter and butchering that turned one animal into cured hams, sausages and fresh cuts that had to last the household through the year. Nothing was wasted, and fresh loin like the lomo used here was one of the few cuts eaten soon after the matanza rather than cured for storage.
Legumes were the other pillar of that same diet. They were cheap, filling and stored through the winter without spoiling, which made them a staple of rural kitchens long before pork was affordable every week. Many of the white beans grown in Spain today descend from beans brought back from the Americas after contact in the 16th century, which gradually took over from older Old World legumes like broad beans in a lot of Spanish stews. The climate suited them, and cooks already knew how to turn a dried legume into a proper meal.
One-pot bean stews have long been a Sunday fixture across Spain, cooked in a single large pot that could feed the whole family and often stretched across several days. That practicality is part of the appeal. A big pot of beans reheats well, tastes better the next day once the flavours settle, and needs almost no attention once it's simmering, which made it a natural fit for households where time and money were both tight.
These dishes were never restaurant food in their early life. They were what a working household actually ate, and that identity has stuck. Rustic taverns across Spain still serve versions of pork and bean stews as a comfort dish rather than a showpiece, and most families have a version that's simply how their household has always made it.
The base of flavour in a dish like this comes from rendering bacon or pancetta with onion and garlic before the beans go anywhere near the pan. That fat carries through everything cooked in it afterwards, which is why the beans taste of more than just themselves once they've had time in the pot.
Smoked paprika does a lot of the remaining work, adding a depth that plain black pepper can't reach. Left to simmer uncovered, the beans naturally break down at the edges and thicken their own cooking liquid into a sauce, no flour or cornflour needed. It's a slow, low effort process rather than a technique that demands attention, which is exactly why it suited a household that had other things to do while dinner cooked itself.
Spain has several distinct versions of this same pork and bean idea. Asturias in the north has fabada asturiana, made with the region's own large white fabes beans, chorizo and morcilla, cooked low and slow until rich and dark. Further south, judiones de la granja uses an even larger bean grown around Segovia, often paired with chorizo and pork belly rather than loin.
Lomo with white beans sits closer to the lighter end of that family. Using pork loin instead of cured sausage keeps the dish leaner, and the beans stay the clear focus rather than playing a supporting role to chorizo or morcilla. It's a home version built around what's easy to get and quick to prepare on a weeknight, which is exactly how most of these dishes started out in the first place.
Spanish white beans are large, creamy varieties such as fabes and judiones, used across the country in slow cooked stews. Cannellini beans, which this recipe uses, are a widely available stand-in with a similar texture and mild flavour.
Fabada is built around Asturias's own fabes beans, chorizo and morcilla, simmered together for a rich, dark stew. This version is lighter, using pork loin instead of cured sausage, and cooks in a fraction of the time.
Yes, though they'll need soaking overnight and a longer simmer until fully tender before you add them to the pan. Tinned beans are already cooked, which is why the recipe uses them for a genuinely quick midweek version.
Yes, as long as the stock and bacon or pancetta you use are gluten free, since some stock cubes and cured meats include gluten-based additives. Check the label if you're unsure.