Bacalhau Gratinado com Broa: Golden Portuguese Salt Cod with Savory Cornbread Crust

🌍 Cuisine: Portuguese
🏷️ Category: Main Course
⏱️ Prep: 30 minutes
🍳 Cook: 45 minutes
👥 Serves: 4-6 servings

📝 About This Recipe

This quintessential Portuguese masterpiece brings together the flaky, savory depth of salted cod with the rustic, golden crunch of 'Broa de Milho' (traditional cornbread). Bathed in a rich 'refogado' of caramelized onions and garlic, then finished in the oven until the crust is perfectly toasted, this dish is a celebration of texture and heritage. It is a soul-warming comfort food that perfectly captures the spirit of a Sunday lunch in the heart of Portugal.

🥗 Ingredients

The Star Ingredient

  • 800 grams Salted Cod (Bacalhau) (desalted, thick loins preferred)
  • 2 pieces Bay Leaves (fresh or dried)
  • 500 ml Milk (for poaching the fish)

The Aromatics (Refogado)

  • 150 ml Extra Virgin Olive Oil (high quality Portuguese oil is best)
  • 3 large White Onions (thinly sliced into half-moons)
  • 6 pieces Garlic Cloves (minced)
  • 600 grams Potatoes (peeled and sliced into rounds or cubes)

The Cornbread Crust (Broa)

  • 300 grams Portuguese Cornbread (Broa) (crumbled, crust removed if very hard)
  • 1/2 cup Fresh Parsley (finely chopped)
  • 2 cloves Garlic (finely minced for the topping)
  • 1 teaspoon Smoked Paprika (for color and depth)
  • to taste Black Pepper (freshly ground)

Garnish

  • 1/2 cup Black Olives (pitted or whole, Portuguese style)
  • 1 sprig Fresh Cilantro (optional for garnish)

👨‍🍳 Instructions

  1. 1

    Ensure your salt cod has been properly soaked in cold water for 24-48 hours (changing the water 3-4 times) to remove excess salt.

  2. 2

    In a large pot, place the desalted cod loins, milk, and bay leaves. Bring to a gentle simmer and cook for about 10 minutes. Do not boil vigorously, as this toughens the fish.

  3. 3

    Remove the cod from the milk (reserve a splash of the milk). Once cool enough to handle, remove any skin and bones, and flake the fish into large, succulent chunks.

  4. 4

    While the fish poaches, boil the potato slices in salted water until tender but still holding their shape (about 10-12 minutes). Drain and set aside.

  5. 5

    In a large skillet, heat 100ml of the olive oil over medium-low heat. Add the sliced onions and cook slowly until translucent and golden—this 'refogado' is the flavor base of the dish.

  6. 6

    Add the 6 minced garlic cloves to the onions and cook for another 2 minutes until fragrant. Stir in the flaked cod and a tablespoon of the reserved poaching milk to keep it moist.

  7. 7

    Prepare the crust: In a food processor or bowl, combine the crumbled cornbread, chopped parsley, 2 minced garlic cloves, smoked paprika, and the remaining 50ml of olive oil. Mix until it resembles wet sand.

  8. 8

    Preheat your oven to 200°C (400°F).

  9. 9

    Lightly grease a large baking dish with olive oil. Place a layer of the cooked potatoes at the bottom, seasoning lightly with black pepper.

  10. 10

    Spread the cod and onion mixture evenly over the potato layer, ensuring the onions are well distributed.

  11. 11

    Cover the entire top with the cornbread mixture, pressing down gently so it adheres to the fish.

  12. 12

    Bake in the center of the oven for 20-25 minutes, or until the cornbread topping is deeply golden and crispy.

  13. 13

    Remove from the oven and garnish with black olives and a few sprigs of fresh herbs.

  14. 14

    Allow the dish to rest for 5 minutes before serving to let the flavors settle and the juices distribute.

💡 Chef's Tips

Always use high-quality extra virgin olive oil; it is a primary flavor component in Portuguese cooking. If you cannot find Portuguese 'Broa', use a dense, crusty artisan cornbread rather than a sweet, cake-like muffin style. Don't over-salt! The cod, even after soaking, retains some salinity, so taste the onion mixture before adding extra salt. For an extra touch of richness, you can add a layer of sautéed spinach or 'grelos' (turnip tops) between the potatoes and the fish.

🍽️ Serving Suggestions

Pair with a crisp, chilled Vinho Verde or a light-bodied Portuguese red wine from the Dão region. Serve with a side of simple steamed greens or a fresh tomato and onion salad to balance the richness. A bowl of roasted peppers (pimentos) makes a colorful and traditional accompaniment. Finish the meal with a classic Portuguese espresso (bica) and perhaps a Pastel de Nata.