Place chicken breasts, marinara, onion, tomato paste, garlic, seasonings, and bone broth in crockpot & gently stir to combine.
Cook on high for 3-4 hours or low for 5-6, until chicken is cooked.
Remove chicken from crockpot & shred.
Return to crockpot and add cream and pasta.
Stir to combine & let cook for another 20-30 minutes, until pasta is al dente.
Stir in Parmesan and serve!
Add toppings of choice & enjoy
