- Liberally season both sides of  pork chops with salt and pepper one hour before cooking. Set aside. 
- Melt bacon drippings in 12 inch cast iron skillet over medium high heat. When skillet is hot, add pork chops.  Seer 3 to 5 minutes on one side until golden brown. Flip and repeat on the other side.  The chops don't need to cook thoroughly, only brown. 
- Remove to a platter. 
- Reduce heat to medium. 
- Add onions and mushrooms. Saute for 5 minutes or until onions have started to soften and mushrooms have cooked down by one half. Add diced garlic and sauté for 2 additional  minutesm. 
- Sprinkle flour over vegetables. Stir constantly until all the liquid is absorbed and all the white from the flour is no longer visible. 
- Slowly pour in wine, stir constantly until all bits are scraped  from the bottom of the pan. 
- Slowly pour in chicken stock.  Stir occasionally until gravy starts to thicken, about 3 to 4 minutes. 
- Place pork chops and juices back in the skillet.  Spoon some gravy over the top. Cover and cook in a preheated 350 degree oven for one hour. 
- Serve over hot buttered rice.