Put chicken breasts dry and season with pepper, salt and a sprinkle of garlic-powder. Heat olive-oil on high heat and quickly sear chicken breasts on each side.
Add chicken breasts,sausage, heavy-cream, chicken broth, butter, garlic cloves and ½ tsp of kosher-salt, cajun seasoning & lots of turns of freshly ground black-pepper into slow-cooker.
Cook on low for approximately 4 hours or high for 2-3 hours, until chicken has reached 165°.
Remove chicken from slow-cooker & put aside to cool and slice.
Stir in 1/2 cup of warm water & uncooked penne-pasta, cover and cook on high for 30 mins. Only until rice is tender.
After pasta is tender, then stir in parmesan-cheese, chopped chicken and extra salt & pepper to taste.