Lemon-Garlic Butter Sauce for Seafood

Name: Lemon-Garlic Butter Sauce for Seafood
Cuisine: American
Ingredients: Yields 1 1/2 cups; 1/2 cup clam juice (can substitute chicken stock); 1/2 cup dry sherry; 1/2 cup whole milk (OR 3 Tbsp cream with 5 Tbsp water); 1 tablespoon minced garlic; 1 tablespoon minced shallots; 1 bay leaf; 1 tablespoon unsalted butter; 1 tablespoon flour; 1/2 pound (2 sticks) unsalted butter; 1/2 teaspoon salt; 1/2 teaspoon white pepper; 1 tablespoon lemon juice