Caesar Salad With Grilled Garlic and Chicken

Name: Caesar Salad With Grilled Garlic and Chicken
Ingredients: 2 teaspoons plus 2 tablespoons olive oil; 1 head garlic, cloves separated, unpeeled; 4 6-ounce boneless, skinless chicken breasts; kosher salt and black pepper; 1/2 baguette, cut into 1/2-inch-thick slices; 2 anchovy fillets, finely chopped; 2 tablespoons fresh lemon juice; 1 tablespoon Dijon mustard; 1/2 teaspoon Worcestershire sauce; 2 hearts of romaine lettuce, trimmed and quartered lengthwise; 1/2 cup shaved Parmesan (2 ounces)