Chicken and Romaine Salad with Homemade Ranch Dressing - Legendary Recipes %

Ingredients

• 1 cup mayonnaise
• 2/3 cup buttermilk
• 1/4 cup coarsely grated yellow onion
• 1 tablespoon cider vinegar
• 1/2 teaspoon celery seed
• 1/2 teaspoon celery salt
• 1 garlic clove, minced or pushed through a press
• 1/4 teaspoon freshly ground black pepper
• 4 boneless, skinless chicken breast halves, each about 6 ounces
• 2 hearts of romaine, about 12 ounces total, each cut lengthwise in half, trimmed
• Extra-virgin olive oil
• 1 pint small cherry tomatoes, each cut in half
• 2 tablespoons finely chopped fresh Italian parsley leaves
• Kosher salt
• Freshly ground black pepper