Bacalhau à Brás is a popular Portuguese dish that combines codfish, eggs, onions, and potatoes. It is a healthy and flavorful recipe that is often enjoyed as a main course. The codfish is first soaked in water to remove the salt, then cooked with onions and garlic until tender. The potatoes are thinly sliced and fried until golden brown. The dish is then assembled by layering the codfish, potatoes, and beaten eggs, and cooked until the eggs are set. Bacalhau à Brás is a protein-rich dish that is low in fat and high in nutrients, making it a great option for a healthy meal.