Cozy Chicken Orzo Soup

Ingredients

• 3 tablespoons unsalted butter
• 1 sweet onion, diced
• 3 carrots, peeled and diced
• 2 celery sticks, diced
• kosher salt, to taste
• black pepper, to taste
• 3 cloves garlic, minced
• 1/2 teaspoon poultry seasoning
• 1 1/2 cups chicken, cooked and shredded
• 6 cups chicken stock
• 1 (2-3-inch) rind parmesan cheese
• 1 cup orzo pasta
• 1/2 cup milk
• 1 teaspoon all-purpose flour
• 3 tablespoons fresh parsley, chopped
• fresh parsley, to taste, chopped
• parmesan cheese, to taste, grated or shaved
• lemon wedges, to taste