Melt butter in a large pot over medium heat.
Add chopped onions, carrots, and celery; sauté until softened.
Stir in garlic powder, salt, and pepper.
Pour in chicken broth and bring to a boil.
Add egg noodles and cook for 6-8 minutes until tender.
Reduce heat and mix in shredded chicken.
Slowly stir in heavy cream for creaminess.
Simmer for another 5 minutes.
Adjust seasoning if necessary.
Serve hot garnished with fresh parsley.