In a 5 quart pot over medium heat, saute carrot, onion, and celery in a tablespoon of butter or oil, stir and cook for 2-3 minutes.
Next, add in the chicken broth.
Then, add in the cooked shredded chicken or cut raw chicken into pieces, and add in, cook the chicken on low without boiling so the chicken will be tender. Chicken is fully cooked at 165°
Add in the half pound of pasta, (add a full pound if you want a less "soupy" meal or to freeze with less liquid for easier travel and reheating, add a little water or milk when reheating for added broth).
Add the chicken bouillon, garlic paste or minced garlic, heavy cream, butter, and parmesan cheese. Stir well to incorporate all ingredients.
Mix cornstarch with a small amount of water or chicken broth and drizzle it into simmering soup to thicken the soup for desired thickness. Cook for an additional minute, then give it a taste and be sure the soup has all the great flavor you'd like. Add additional chicken bouillon, salt, and pepper to taste. For added richness, add more butter, cream, or cheese.
I like topping the soup with additional grated parmesan cheese, or romano cheese, some fresh herbs, and add salt and pepper to taste.