In the crockpot add chicken broth, heavy whipping cream, parmesan cheese, garlic powder, salt, pepper, paprika and ceyenne. Whisk together.
Add chicken and smother into sauce. Place butter pieces on top of chicken. Add garlic around the chicken.
Place lid on crockpot. Cook on low 4-5 hours or high 2-3 hours, until chicken is tender and no longer pink.
Pull chicken out and chop up into bite size pieces.
Place back into crockpot. and mix.
Add uncooked pasta and push down into sauce.
Make sure crockpot is on high setting and place lid back on and cook an additional 30-45 minutes until pasta is cooked tender. If needed, add additional broth to finish cooking pasta. Serve.