Bouillabaisse

INGREDIENTS

• 3 tablespoons olive oil
• 1 leek, white part only, chopped
• 1 onion, chopped
• 2 cloves garlic, minced
• peel of 1 orange, orange part only (use vegetable peeler)
• 3 tomatoes, chopped
• 1/3 cup chopped fennel fronds
• fresh herbs (in any combination): thyme, parsley, oregano
• 1/2 teaspoon saffron threads, crushed
• 3-4 pounds of fish trimmings (heads, bones, tail), shrimp shells
• 10 cups water
• 1 cup dry white wine
• 1 tablespoon sea salt
• 3 pounds of assorted fish and shellfish (clams and mussels should be scrubbed clean)