Chicken Noodle Soup Casserole - The Weary Chef

Ingredients

• 12 oz. bite-sized pasta I used gluten-free pasta made with corn and rice
• 2 tbsp. butter
• 1 small sweet onion diced
• 2 carrots chopped
• 4 ribs celery chopped
• 4 oz. white mushrooms chopped
• 3/4 lb. boneless skinless chicken breasts, diced
• 1/2 tsp. kosher salt
• 1 tsp. poultry seasoning
• 2 tbsp. flour use rice flour for gluten free
• 1 1/2 c. chicken broth
• 4-6 slices swiss cheese