Ingreadient

• 4 stalks celery, chopped (2 cups)
• 1 medium onion, chopped (1/2 cup)
• 2 teaspoons neutral oil, such as canola or avocado
• 2 pounds chicken legs and/or thighs, skinned
• ½ teaspoon black pepper
• 1 teaspoon dried thyme, crushed
• ¾ teaspoon salt
• 6 cups water
• 1 slice bread
• 10 ounces jumbo or extra-large egg noodles
• 1 (8 ounce) carton light sour cream
• 2 tablespoons flour
• ½ teaspoon garlic powder
• nonstick cooking spray
• 2 tablespoons snipped fresh parsley