Shrimp And Corn Chowder With Fennel Recipe

Name: Shrimp And Corn Chowder With Fennel Recipe
Ingredients: 2 tablespoons unsalted butter; 2 leeks (white and light green parts), chopped; 1 fennel bulb, chopped; kosher salt and black pepper; 2 tablespoons all-purpose flour; 1 8-ounce bottle clam juice; 3 cups whole milk; 1 pound potatoes, peeled and cut into 1/2-inch pieces; 3/4 pound cooked peeled and deveined medium shrimp; 1 10-ounce package frozen corn; 2 tablespoons chopped fresh flat-leaf parsley; 2 tablespoons fresh lemon juice; bread, for serving (optional)