🇪🇸 Spain · Food
Bacalao a la Vizcaína (Biscayan-Style Cod)
By eatmundo · July 7, 2026
Bacalao a la Vizcaína is a classic Basque dish, showcasing tender cod bathed in a rich, vibrant red pepper and onion sauce. It's a comforting and flavorful stew, deeply rooted in Spanish culinary tradition, perfect for a hearty meal.
Ingredients
check them off as you prepareHow to Make It
- 1
Carefully pat dry your 800g desalted cod fillets. If they are very thick, you might want to cut them into 4 equal portions to ensure even cooking later. Set aside.
- 2
Heat 50ml of extra virgin olive oil in a large, heavy-bottomed pan or Dutch oven over medium-low heat. Add 2 finely sliced large onions and cook gently for about 15-20 minutes until they are very soft and translucent, almost caramelized, but not browned. Stir occasionally.
- 3
Add 3 minced garlic cloves and 1 finely diced large red bell pepper (or the rehydrated flesh of 3 choricero peppers, scraped from the skins) to the pan. Sauté for another 10-12 minutes until the pepper softens significantly, stirring frequently to prevent sticking.
- 4
Stir in 1 tablespoon of all-purpose flour into the vegetables, cooking for 2 minutes to cook off the raw flour taste. This will help thicken your sauce. Gradually pour in 200ml of fish broth, stirring constantly to avoid lumps.
- 5
Bring the sauce to a gentle simmer and let it cook for 10-15 minutes, allowing the flavors to meld and the sauce to thicken slightly. Season with salt to taste. For a smoother sauce, you can carefully transfer it to a blender and purée until silky, then return it to the pan.
- 6
Gently place the cod fillets into the simmering sauce, ensuring they are mostly submerged. Reduce the heat to low, cover the pan, and poach the cod for 8-12 minutes, or until the fish is opaque and flakes easily when tested with a fork. Be careful not to overcook it, as it will dry out.
- 7
Remove the pan from the heat and let it rest for a couple of minutes before serving. The residual heat will continue to cook the fish gently. Serve immediately, garnished with a drizzle of fresh olive oil if desired, alongside some crusty bread to soak up the exquisite sauce.
Frequently Asked Questions
Should I use fresh cod or rehydrated salted cod for Bacalao a la Vizcaína?+
Traditionally, Bacalao a la Vizcaína is made with rehydrated salted cod, which gives the dish its characteristic flavor and texture. If using fresh cod, add extra salt and consider a brief brine to mimic the flavor profile.
How thick should the Vizcaína sauce be, and how long should it simmer for the best flavor?+
The Vizcaína sauce should be thick enough to coat the back of a spoon, achieved by simmering until the bell peppers are very tender and the flavors meld, typically 30-45 minutes after adding the broth.
What's the best way to ensure the cod fillet stays tender and doesn't dry out when cooking in the sauce?+
Add the rehydrated cod fillets to the simmering sauce only for the last 8-12 minutes, or until they just flake easily with a fork, to prevent overcooking and maintain their delicate texture.
What is the traditional secret to the deep red color and flavor of the authentic Vizcaína sauce, and what are common alternatives?+
The authentic deep red color and complex flavor of Vizcaína sauce come from rehydrated ñoras (dried choricero peppers). If ñoras are unavailable, a combination of roasted red bell peppers and a touch of sweet paprika is a suitable substitute, but fresh tomatoes should be avoided.
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