Creating Crockpot Chicken Parmesan Soup is straightforward if you follow these simple steps:

1. Prepare Chicken: Place the boneless, skinless chicken breasts in the bottom of the crockpot.
2. Add Vegetables: Add the diced onion and minced garlic on top of the chicken.
3. Add Tomatoes: Pour in the diced tomatoes and tomato sauce, ensuring the chicken is well covered.
4. Pour Broth: Add the chicken broth to the crockpot.
5. Season: Sprinkle in the dried basil, oregano, salt, and black pepper. Stir gently to combine.
6. Cover and Cook: Cover the crockpot with its lid. Cook on low for 6 hours or high for 3 hours.
7. Shred Chicken: Once cooked, remove the chicken breasts and shred them using two forks. Return the shredded chicken to the soup.
8. Add Cheese: Stir in the shredded mozzarella and grated Parmesan cheese until melted and well combined.
9. Garnish: If desired, garnish with fresh parsley before serving.
10. Serve: Ladle the soup into bowls and enjoy hot. If you like, serve over cooked pasta for a heartier meal.

These steps will guide you in creating this incredible soup effortlessly.