01 -
Season the chicken breasts with salt and pepper on both sides and set aside.
02 -
In a bowl, whisk together the chicken broth and cornstarch until smooth. Then add the heavy cream, Parmesan cheese, garlic, oregano, thyme, and red pepper flakes (if using), and whisk until well combined.
03 -
Place the seasoned chicken breasts in the bottom of the crockpot. Pour the sauce mixture over the chicken, making sure the breasts are fully coated.
04 -
Sprinkle the chopped sun-dried tomatoes over the top of the chicken and sauce.
05 -
Set the crockpot to low and cook for 4 hours, or high for 2 hours, until the chicken is fully cooked and tender.
06 -
In the last 30 minutes of cooking, add the butter to the crockpot, stirring it into the sauce as it melts.
07 -
Garnish with freshly chopped basil or parsley if desired, and serve the chicken with a generous spoonful of sauce.