Poached Oysters in Fennel-Saffron Soup

Name: Poached Oysters in Fennel-Saffron Soup
Yield: Makes 8 Servings
Ingredients: 2 tablespoons (1/4 stick) unsalted butter; 2 medium fennel bulbs, trimmed, each cut lengthwise into 6 wedges; 1 cup water; 1 tablespoon olive oil; 3 garlic cloves, chopped; 1/8 teaspoon crumbled saffron threads; 4 8-ounce bottles clam juice; 1 cup; 3 tablespoons; 3 cups