For the chicken stock: – 1 whole chicken — 3-4 lb – 10-11 cups water — make sure you don’t fill the Instant Pot more than recommended – Salt For the soup: – 1 tbsp vegetable oil – 1 large onion — chopped – 1 cup chopped carrots – 1/2 cup chopped celery — optional – 1/2 cup chopped parsnip — optional – 3 cups cooked chicken meat – 6 cups chicken stock – 1 cup egg noodles — uncooked – 1 tsp Salt – 1/4 tsp black pepper – 1/4 tsp thyme — optional – 1/4 tsp Black pepper For the liaison: – 1 egg yolk – 3 tbsp thick Plain Greek yogurt