- 3 quarts cold water
- 2 cups dry wine
- 4 pounds fish bones (from white fish only), heads, fins, and gills removed, and bones rinsed well
- 2 cups shrimp, crab, or lobster shells (optional)
- 1 large onion (about 1 pound), peeled and quartered
- 2 stalks celery, cut into 1-inch lengths (about 1 cup)
- 1 large carrot, peeled and cut into 1-inch lengths (about 1 cup)
- 1 whole head of garlic, cut crosswise
- Fennel stalks cut from 1 fennel bulb (see fennel below), cut into 1-inch lengths (about 8 ounces)
- 1 stalk lemongrass (about 1 ounce), cut into ½-inch rounds
- 1 teaspoon fennel seeds
- Bouquet garni, made with 1 bay leaf 3 sprigs parsley and 3 sprigs fresh thyme tied in cheesecloth
- ¼ teaspoon whole black peppercorns
- 1 bulb fresh fennel, cut lengthwise into sixths, fronds reserved for garnish and tops reserved for the stock
- 2 carrots, peeled and cut into 1-inch lengths
- 6 small potatoes, peeled and halved
- 6 6-ounce cod fillets
- Sea salt and freshly ground black pepper to taste
- Make the fish stock:
- In a large stockpot, combine all the ingredients. Bring to a boil over high heat. Reduce the heat and simmer for 45 minutes, partially covered. Skim any impurities that rise to the top several times during cooking. Strain the stock through a fine-mesh sieve. (You should have approximately 3 quarts.)
- Prepare the cod and vegetables:
- Put the fish stock in a large stockpot and bring it to a boil. Add the fennel wedges, carrots, and potatoes, reduce the heat, and simmer for 15 minutes. Remove the vegetables from the stock with a slotted spoon and place in a bowl.
- Bring the stock back to a high simmer and add the cod pieces. Poach for 8 to 10 minutes until the cod is flaky and opaque. Return the vegetables to the pot and cook for 2 minutes. Remove the pot from the heat.
- To serve, place 6 large soup bowls on the counter near the stove.
- Place a variety of vegetables in each bowl, Then place a piece of cod in the center of each bowl along with the vegetables.
- Ladle some of the hot broth over the fish and vegetables. Sprinkle with sea salt and freshly ground pepper.
- Chop 1 tablespoon of fennel fronds and garnish each bowl with some chopped fennel fronds. Serve immediately.