Ingredients
3 anchovy fillets in oil, mashed with the flat side of a knife
1/2 teaspoon grated lemon zest, plus 2 tablespoons lemon juice
2 small cloves garlic, grated
Kosher salt and freshly ground pepper
1/2 cup mayonnaise
2 teaspoons dijon mustard
1/2 cup grated parmesan cheese
2 tablespoons chopped fresh chives, plus more for topping
1/4 cup extra-virgin olive oil
3 cups torn crusty bread (about 4 ounces)
4 skinless, boneless chicken breasts (about 6 ounces each)
2 romaine lettuce hearts, quartered lengthwise