2 tablespoons olive oil
2 cloves garlic, peeled and smashed
1 large onion, peeled and sliced
1 small fennel bulb, thinly sliced
1 large pinch saffron, soaked in 2 tablespoons orange juice for 10 minutes (optional)
1 strip orange zest
1 (14-ounce) can whole peeled tomatoes, in juice
6 cups seafood stock (sold at most fish markets) or clam juice
Some or all of the following seafood (ask your fish seller for enough to serve 4 to 6 people): halibut, cod, tilapia, or snapper (in large chunks); shell-on large shrimp or lump crabmeat; clams or mussels
1 bunch Italian parsley, chopped