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Bacalao Dorado (Bacalhau à Brás): Receta Portuguesa Auténtica

Bacalao Dorado (Bacalhau à Brás): Authentic Portuguese Recipe

May 25, 2026Maria José Sáez Pastor⏱ 4 min de lectura

In a nutshell: Bacalhau à Brás (Gilded Cod): Portuguese national dish with shredded cod, shoestring potatoes, and creamy egg. 20 min. Tip: the egg does NOT curdle, it remains creamy. Pairing: Chilled Vinho Verde.

Origin and why "gilded"

Bacalhau à Brás is one of the absolute icons of Portuguese cuisine. Alongside cod cakes and caldo verde, it forms the trio of "dishes every foreigner must try in Lisbon." Legend has it that a tavern owner named Brás from Bairro Alto invented it at the end of the 19th century, combining pantry staples: shredded cod, shoestring potatoes, and eggs.

In English, it's translated as "gilded cod" or "cod à la doré" because, when the beaten eggs are mixed with the hot shoestring potatoes and sautéed cod, the dish takes on a characteristic golden yellow color. It's a family dish, a tavern dish, a Sunday dish: never a three-star restaurant dish.

Ingredients (serves 4)

  • 400 g shredded desalted cod (24-36 h in cold water)
  • 500 g shoestring potatoes (homemade or commercial)
  • 6 free-range eggs
  • 1 large onion, thinly sliced (julienned)
  • 3 cloves garlic, minced
  • 2 bay leaves
  • 50 ml extra virgin olive oil (EVOO)
  • 1 handful Portuguese black olives (Beja, Trás-os-Montes)
  • 1 bunch fresh parsley, chopped
  • Ground black pepper
  • Salt (carefully: cod is already salty)

Step-by-step (20 minutes)

  1. Shoestring potatoes (if making homemade): cut 4 potatoes into very thin sticks (mandoline), wash, dry, fry for 3 min at 170°C. Drain.
  2. Sauté onion and garlic in a large pan with EVOO and bay leaves. Cook for 5 min until golden.
  3. Add shredded cod and sauté for 3 minutes.
  4. Add shoestring potatoes to the pan and mix gently.
  5. Beat the eggs with pepper (no salt yet, taste later). Pour over the mixture.
  6. Cook for 1-2 minutes maximum, stirring gently. The egg should be CREAMY, NOT curdled. Remove from heat when it still looks "underdone": residual heat will finish it.
  7. Serve immediately with black olives and plenty of chopped fresh parsley.

Mistakes that ruin the dish

Overcooked egg, like an omelet. The most common mistake. Remove from heat when there is still visible liquid.

Soft potatoes. If you add the potatoes at the beginning in liquid, they lose crispiness. Add them at the end and serve immediately.

Too much cod. The proportion is important: if the cod dominates, the dish will be salty and heavy.

Skipping the olives. They provide a salty contrast to the sweetness of the onion. Without them, the dish falls flat.

Kalamata or Sevillian olives. Portuguese ones are smaller, less salty, and specific to this recipe. If you can't find them, it's better without olives than with the wrong ones.

Variations and pairing

With confit onions: instead of sautéed onion, use onion poached for 40 min until caramelized. Sweeter.

With chili: Portuguese piri-piri at the end. If you like spicy.

Without egg (vegan-ish): substitute egg with homemade mayonnaise or soy cream. Loses character but adapts to diets.

Pairing: Chilled Portuguese Vinho Verde (Alvarinho or Loureiro). Albariño Rías Baixas also works. Sagres or Super Bock beer for a casual option. NO reds.

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Frequently Asked Questions

What exactly is Bacalhau à Brás?
Bacalhau à Brás is one of Portugal's national dishes: shredded cod sautéed with onion, crispy shoestring potatoes, and creamy eggs. The name supposedly comes from a tavern owner in Lisbon's Bairro Alto neighborhood who invented it in the late 19th century.
Why is it called "gilded"?
Because of the golden yellow color the dish takes on when the beaten eggs are mixed with the hot shoestring potatoes. The egg should NOT fully curdle: it should remain creamy, almost like a custard. That is the hallmark of a quality dish.
Which potatoes to use: homemade shoestring or store-bought?
Homemade are superior (thinner, crispier, real potato flavor). But they take time (cut very thin + fry). Commercial shoestring potatoes (like "Eider shoestring fries") work perfectly if you don't have time. Avoid thick, McCain-style chips.
How much cod per person?
100 g shredded cod per person, 1 medium potato (or 80 g commercial shoestring), 1.5 eggs. The correct proportion is 1:1:1.5 by weight between cod/potatoes/egg.
Shredded cod or flaked loin?
Shredded is traditional. If you buy loin, flake it by hand into small pieces after desalting. Commercial shredded cod already comes in the correct size (5-15 g per piece).
Are black olives and parsley mandatory?
Yes, in the classic Portuguese version. Black olives (from Beja or Trás-os-Montes, not Kalamata) and plenty of fresh parsley. Without them, the dish loses its distinctive Portuguese character.
Can it be prepared in advance?
It's not ideal. The dish is served freshly made because the potatoes lose crispiness and the egg dries out with a few minutes of waiting. If you need to save time: have everything cut and desalted, cook it just before serving (15 min total).
What is the most common mistake when making Bacalhau à Brás?
Overcooking the egg. It should be CREAMY, not curdled like an omelet. The technique is to remove it from the heat when the egg is still partially liquid: residual heat finishes the cooking. If it looks like an omelet, you've overcooked it.

To conclude

Bacalhau à Brás is a dish that seems simple but requires precise technique: the difference between a mediocre one and an exceptional one lies in 30 seconds of egg cooking. With quality shredded cod and real Portuguese olives, you'll have the taste of a Lisbon tavern at home.

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Salted cod

Lo que cierra una receta

Salted cod

El detalle que separa un plato de un buen plato.

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Maria José Sáez Pastor

Maria José Sáez Pastor

Kitchen & Sea Recipes

Expert in cooking and seafood recipes. Passionate about Mediterranean cuisine, she develops and adapts traditional and creative recipes with cod, anchovies, seafood, and gourmet preserves.

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