Simple White Bean Caesar with Herb Garlic Bread

Name: Simple White Bean Caesar with Herb Garlic Bread
Ingredients: 1/2 stick unsalted butter, softened; 2 tablespoons chopped fresh basil; 2 tablespoons chopped fresh parsley; 1 tablespoon chopped garlic; One 10-ounce baguette, sliced lengthwise and cut in half; 1/4 cup mayonnaise; 1 tablespoon grated Parmesan; 1 tablespoon spicy brown mustard; 1 teaspoon Worcestershire sauce; Juice of 1 lemon; Kosher salt and freshly ground black pepper; One 15-ounce can small white beans, drained and rinsed; 1 large head romaine lettuce, cleaned and torn into bite-size pieces