Preheat oven to 375º degrees
Trim excessive fat and pull tendon from center for each breast by grabbing the end of the tendon with a paper towel and pulling it through the tongs of a fork
Season breast on both sides with salt and pepper
Melt 2 tbsp of butter in a cast iron skillet and heat over medium-high heat
Place chicken in heated cast iron skillet and sear on all sides
Remove the chicken from the skillet once all sides are seared a golden brown and set aside
Add another 2 tbsp of unsalted butter to the same skillet and the minced garlic and cook for 2 minutes stirring frequently to prevent burning and sticking
Add the seasonings, salt, pepper and flour to the skillet, whisk about 1 minute until slightly brown then slowly add the heavy cream and parmesan and whisk for 1-2 minutes until slightly thickened
Return chicken breast to the skillet with the cream sauce and spoon enough sauce over each breast to cover completely
Place entire skillet in the preheated oven and bake for 15-20 minutes or until a thermometer probe reads 165º in the thickest part of the breast
Place over rice or pasta and garnish with fresh grated parmesan