Cozido, the Portuguese answer to the French Pot au Feu is a long-cooking and deeply satisfying peasant stew. Slideshow: More Portuguese Recipes
In a large heavy pot, bring the beef, pork parts, ham hock, and sausage to a boil with the water and bay leaves, skimming any foam. Reduce the heat to a simmer, stir in the onion, and cook, partially covered, 1 1/2 hours. Stir in the carrots, turnips, sweet potato, potato, leeks, 2 teaspoons salt and 3/4 teaspoon pepper and continue to simmer until the meat is very tender, about 2 hour more. Season to taste with salt and pepper.
Discard the bay leaves, then serve the meats and vegetables drizzled with some of the cooking liquid.