1Heat the olive oil in a large pot over medium heat.
Add the chopped onion and minced garlic to the pot. Sauté until the onion is translucent.
Add the diced chicken breast to the pot and cook until browned.
Stir in the garlic powder, Italian seasoning, and white pepper.
Pour in the chicken broth and bring to a boil.
Add the diced tomatoes, carrots, and celery to the pot.
Reduce the heat and let the soup simmer for about 20-25 minutes, or until the vegetables are tender.
Season with salt and pepper to taste.
Serve hot and enjoy your Italian Chicken Soup.