Pat the short ribs dry and season generously with salt and pepper. Proper seasoning ensures the meat stays flavorful during slow cooking. This step builds the foundation of the dish.
Heat oil in a Dutch oven and brown ribs on all sides. A deep sear locks in juices and creates caramelized bits that flavor the sauce. Don’t rush this step for best results.
Add diced leeks and half of the prunes, cooking until softened and fragrant. The prunes begin releasing sweetness while leeks provide gentle onion flavor. This balances later salty ingredients.
Pour in wine and vinegar, scraping the browned bits from the pot bottom. These bits hold concentrated flavor that enriches the braising liquid. Let the liquid simmer briefly.
Stir in olives, capers, caper brine, garlic, bay leaves, oregano, and brown sugar. Together they create the signature sweet-salty Marbella taste. Everything should be evenly mixed.
Return the ribs to the pot, cover, and cook in the oven until the meat becomes tender. Slow cooking allows flavors to deepen while the meat becomes fork-tender. Patience makes the dish perfect.
Remove ribs and strain the cooking liquid, then simmer it until slightly thickened. Whisk in butter for a glossy finish. Return olives, prunes, and
Place ribs on a serving dish and spoon sauce generously over them. The rich sauce and tender meat create a restaurant-quality meal. Serve immediately while warm.