Marinate the pork chops in buttermilk for at least 1 hour.
Prepare the seasoned flour mixture in a shallow dish.
Heat oil in a large skillet over medium-high heat.
Remove the chops from the buttermilk and dredge in flour mixture.
Fry the pork chops for about 5-7 minutes on each side until golden brown.
Remove pork chops from the skillet and let rest.
Reduce heat and add butter to the skillet.
Stir in flour and cook for 1-2 minutes.
Gradually whisk in the chicken broth, stirring constantly.
Season the gravy with salt and pepper to taste.
Serve the pork chops topped with gravy.