Creating Easy CrockPot Chicken Spaghetti can be simple if you follow these straightforward steps:

1. Prepare the Chicken: Place the boneless chicken breasts at the bottom of the CrockPot.
2. Mix the Sauces: In a bowl, combine the marinara sauce, cream of mushroom soup, and chicken broth. Stir well.
3. Add Vegetables: Layer the diced onion and minced garlic over the chicken in the CrockPot.
4. Season the Mixture: Pour the sauce mixture over the chicken and vegetables. Add Italian seasoning, salt, and black pepper.
5. Cook: Cover and cook on low for 6 hours or high for 3 hours. The chicken should be cooked through and tender.
6. Prepare the Noodles: About 30-40 minutes before serving, cook the spaghetti noodles according to the package instructions. Drain and set aside.
7. Combine: Once the chicken is done, shred it with two forks right in the CrockPot. Stir in the cooked spaghetti and grated Parmesan cheese until well mixed.

This easy-to-follow process ensures that you create a delicious comfort food dish with minimal effort!