01 -
Place chicken breasts, carrots, onion, garlic, bay leaves, Italian seasoning, kosher salt, and black pepper into an 8-quart slow cooker. Pour in chicken stock and stir to combine.
02 -
Cook on low for 5-6 hours or high for 3-4 hours until chicken and vegetables are tender.
03 -
Remove chicken, dice or shred it, then return it to the slow cooker.
04 -
Add broken spaghetti noodles to the pot, stirring to ensure noodles are covered by liquid.
05 -
Continue cooking on low for 25-30 minutes, stirring halfway through, until noodles are tender. Adjust seasoning to taste.
06 -
Ladle soup into bowls and garnish with fresh chopped parsley if desired.