Lemon-Chicken & Pepe Soup

INGREDIENTS

• 3/4 cup acini de pepe pasta
• 2 cups cooked, shredded chicken (from a rotisserie chicken)
• 1 cup canned garbanzo beans, drained and rinsed
• 1-1/2 tablespoons chopped fresh dill
• 2 tablespoons fresh lemon juice
• Red pepper flakes for garnish (optional)
• 2 garlic cloves, minced
• 4 scallions (white and green parts separated), chopped
• 1-1/2 cups shredded romaine lettuce
• 9 cups chicken stock, plus additional if needed
• 1 tablespoon chopped fresh parsley
• 1 small zucchini, diced
• 1/4 teaspoon ground black pepper
• 1/2 teaspoon kosher salt
• 2 celery stalks, chopped
• 1 tablespoon olive oil
• 1-1/2 teaspoons lemon zest